It's been ages since I've posted in these forums, so forgive any out-of-touch-sounding parts of the post. I've read through the "what's your favorite edition" thread and gotten a sense of how 4E differs from previous editions, but I wanted to get some 4E-specific feedback. I picked up the 4E(A) book recently, mostly out of sheer disbelief that I bought the 1E book 20 years ago and thumbed through it. It whetted my appetite for Shadowrun again (I've played all editions, 3E very heavily). I know people have strong opinions about 4E vs. older editions, but that's not really what I'm interested here. If the mechanics don't work for my table, I'll change.
1. There was some complaint that the noir aspect of the Shadowrun is diminished in 4E. This plays a reasonably significant roll in my games; could someone give an example of how the mechanics (I'm not too worried about flavor--I can handle that as a GM) do this?
2. What is considered "competent" nowadays? By way of example, player-owned assault rifles are fairly rare in my games and heavy weapons are almost unheard of. I want the players to be decent at what they do, but not have day jobs as Navy SEALs. About how many dice should our resident heavy pistol-using face be rolling when he shoots someone? It seems like ~12 is reasonable--am I way off on this?
3. Are there any supplement books that are notoriously bad in terms of balance. I've seen a few pbp campaigns disallow Augmentation straight out--is this typical? If anyone is familiar with Legend of the Five Rings, I don't want to spend money on something like "Art of the Duel" and then never use it.
4. Is there something as I GM I should always look for on character sheets to avoid weird brokeness? In the past, it was layering armor (and other things)--what's the 4E equivalent?
5. What's the most common houserule?
Thanks for all the feedback!