After a whole damn lot of buildup, it's finally about to happen - in our next session (next week) my PCs will be inside the Arc when the shutdown happens. There are a number of plot hooks leading up to this, and though it's not yet apparent, Deus has arranged for them to be inside, and intends to manipulate them mercilessly - and it will soon become clear that they've already done a fair bit of work for the angry AI.
The overall plotline is the usual: get in, experience awe and horror, suffer casualties, help the resistance (or ignore them in favor of chasing self-interest), eventually get out with enough motivation and hatred to come back in and try to pull the plug - same plotline as the Brainscan adventure, but I won't be following it exactly. I know there are a lot of very talented GMs out there who have run this campaign, and so if there were any specific events, mini-adventures, scenes, subplots, characters, or whatever that worked out well in your game, I'd love to hear about them. K10, I'm already hoping to use some excerpts from your Arc-themed story (in A Wee Bit O' The Fiction) if that's all right by you...
Anything you can provide might work its way in here. There will be crazy battles but that's not the theme of this campaign; mostly we'll be working the survival and psychological horror angle of the place. They're not combat monsters, and a group of medusae or whatever will probably wipe the floor with them.
If it matters, the team is a B&E adept, an athletic/gun-bunny adept, a troll demo and heavy weapons guy, an Adversary shaman (whom Deus is going to love...heh heh heh...), a hermetic adept, a melee speed-samuai, and an otaku. And a decker-in-a-box.

Thanks everyone. I'm really looking forward to this campain angle and could use your help to make it the best it can be.