Valve did it! After cancelling the Portal 2 press conference they surprised everyone and released a gameplay video of Portal 2.
Portal 2 isn’t going to come for PC only, it will also be coming for PS3, XBOX 360 and Mac. Gabe Newell underlines that they’re adding Steamworks support to the PS3 edition, which means that you can get auto-updates and community support on the PS3.
In Portal 2 you’re going to meet GlaDOS again and she’s challenging you with new challenges and the good old Portal humor: