http://www.youtube.com/v/tax4e4hBBZcLooks awesome. The original was impressive and left me with a better impression than most games manage, so I'm looking forward to this one.
One thing that always endears me to games like this is how vulnerable you are. You're not rambo marching around with a minigun hanging from your waist, you're a lone somebody, with nothing but a strange gun that cannot kill, just make portals, while the environment dares you to come near it...
Oh, and any 'the cake is a lie' jokes will result in compulsory signature modification and/or banning. They are so old now, and no longer funny, just annoying. Got it? :darkbrotherhood: