Well, here's my experience. If you comment, as per Bull's request, please keep it civil.
While my groups (I was a player, not a GM) did run into enough railroading blocks that on night one someone eventually started saying, "If it's something we're not supposed to do, just let us know." However, that sounds worse than it was. I think he was expecting roadblocks.
As to the Frenchman, he was, I hear, indeed inspired by the French guy in Ocean's 12.
So, Night one
We sit down and our GM for the night stands up on the chair and gives his spiel. I'm playing the Mystic Adept. Somehow I always play adepts. Actually, the last FBI game, I won best death or near death experience with my Adept. Woot! But, I digress...
We must track down the group who took the box. We head out to the crime scene and don't find much there. We did not think of checking the Ork Underground. We instead use the SINs of Thud-T to find his address. We arrive and he's dead. We search the area but come up dry.
We head over to Graveyard's place as she too has a SIN on file. She's cowering in the dark and taks some pot shots before I convince her we're trying to help her. (Mmm... social adepts rule.) We take her into protective custody and she tells us who (Mr Winter) can tell us where to find Thunk.
So, we roll up to Mr Winter's establishment and manage to speak to him by vid phone. He arranges for us to speak to Thunk in exchange for a clean slate. He tells us who sold the box to and even where it's held.
Next, we head over to the place that has the box (I forgot the name) and we encouter a KE team. I immediately flip out my badge and say we're the FBI and Friends. 7 hits (I should've used edge) on my Negotiation roll and we've got a firefight on our hands. ... uhm. I found out later that the runners inside fired one of the building's security drones on us and the security team with miniguns, trumping my roll. Well, I take some potshots, but most of the combat was settled by the guy with the panther cannon (government issued, apparently) and the hacker. Whoa. The hacker? Yup. He took over the building drones and let them go nuts.

So we head in get to the box and frenchy is already there. He waves and heads out the door. we follow but run into a KE team that frenchy apparently slipped past. after we deal with them, we run out the door and are swamped by reporters. Lone Star and and KE was there and I think I spotted Auntie Em in the crowd too.
We No Comment past and head to base, get chewed out and after mentioning him, get the profile for mr Frenchman.
End Night One.
Night Two
Half the group is a no show, so the remaining players get reassigned to various empty seats.
I wind up filling the role of the NSA gnome hacker. (Which is funny being 6'5" playing a 3'0" runt) Last night was just a dream :hand wave:, you are a hacker, not a mystic adept.
So I wake up drasticly shorter and things went mostly the same the previous night except "we" requisitioned swat-esque body armor and did the visors down thing on our way out.
So now we need to track down frenchie.
We split up. (Yay, GM nightmare) One group heads to call in a favor with a mob boss while the other half (including me) follow up a net journalist whose name escapes me at the moment. (I've heard other groups had him described as a sleazy tabloid reporter) We meet up and he tells us that the box holds an AI named Patches. That's primarily the most useful bit of information he provides and we head over to meet the rest of the team.
Then we hear reports of "Save Me! -- Patches" being hacked into displays along a highway. We head over call the other team and plan an intercept course. It's pretty easy to track and I got Matrixy and track down the specific car giving off the signal and even jump into Patches. We tallk, sip tea, etc. Then we noticed we're being followed. Grey Car? Noooooo. A Media stampede, Troll Mercs, Yaks on bikes, Mafia sedans, Lone Star, Knight Errant. The works. They're all tracking Patches.
Okay, we hope they haven't figured out which car has Patches, I convice Patches to keep quiet and whip up a sprite to broadcast the same messages from a nearby car. We pull over that car. And it gets the Media and Lone Star. We get Lone Star to handle the crowds and the arrest of the "perps" (one Lone Star officer planted some sort of evidence) When fanboy hackers start getting antsy about freeing patches, I tell my sprite to change the message to "Thank you for your help, I'm Free"
Meanwhile the other team follows the real car to Frenchie's drop deep in the matrix deadzone of the Barrens and sees him meet with Red Ronin. Oi. Anybody not here? then all the mercs and what not pull up. They observe them setting up as we pull up. While the Mystic Adept Influences a yak to stall his buddies (which then gets them wiped out by the Ronin). Meanwhile I patch one of ours into the Troll mercs and we manage to hire them to nab the Frenchman for us ... preferably alive.
Then KE shows up as well as an Amalgamated Something, Inc (the original patches owners) The KE goons rush up and Mr Charm starts influencing them to taser each other. I hack the Amalgamated Van and take over their security system, arming it so we have an alarm when they leave the van. The Trolls move up and clobber the Ronin.
Then we get out of our SUVs. We take Custody of Frenchie and Patches and take them our two SUVs. Amalgamated tries to insist on taking Patches but we convince them to take it up with the office.
End Night Two.
Night Three.
Yay! Everyone shows up.
We're driving from the Barrens and a Heliocopter chews apart our SUVs before the Panther Cannon drops it. I believe right before it appears an EMP blast rips apart our Comlinks and thus, my cover (Technomancer pretending to be a regular hacker). So from now on, I hack one Combat Turn and spend the next in the meat world.
So we have to hoof it. (Yeah, no cars anywhere...) We tangle with a KE in a Citymaster (Which I hacked most severely just as the Panther Cannon took it out)

We run into the net reporter and he tells us that the Barrens is crawling with goons. He gives us a relatively safe path out. Mr Magic summons a Force 6 or 7 spirit and has it Conceal us as well grant movement. We run into an ambush ... what the? One guy exclaims "railroading", I exclaim "search Frenchie". I do a sweep but can't find any signals. After dealing with the ambush, we're on the move again, right into another ambush. Rinse repat. Third Ambush we manage to find the tracer on Frenchie and destroy it. From there we sail out of the barrens without further complications.
The we meet up with mr reporter again. I really wish I could remember his name. He rolls up and asks for patches. One of our team (the Federal Marshal, I think) said he'd free Patches in exchange for help. Because he thought our trouble was his fault, he refused. I sat down while things were discussed. I insisted that Patches be retrieved via proper channels and he acquiesced. We called for a ride and headed home to find out we were turning in an empty box. We get chewed out all around, but in particular, the one who agreed to release Patches.
Meanwhile, what the rest of the team didn't know was that while sitting down, I used my technomancer ability to release the patches through me.

End Night Three.
We had a lot of fun. This was actually a game with a lot of firsts.
First SR game since last year's tourney.
First SR4 game.
First time playing a hacker. (I made up many but never got to play any)
I really liked it a lot. Not just the Tourney as a whole, but SR4. I had been reserving jusgement until I played as the changes made me wary, but I am now officially on the SR4 band wagon.