"It's on PS3!" says the world. "So bloody what?" says I. It's also on PC. And here's what Valve's puzzl-o-shooter sequel looks - and, perhaps more importantly, sounds - like.
Techno! If that stuff is all in-game, kinda-wow, huh? Entire moving rooms, crazy robo-panelling, vegetation. Frame-by-frame analysis please, lovelies.
Due 2011. The PS3 thing seems to be the sum total of the 'surprise', I'm afraid - hope you weren't still holding out for HL2 Ep3.