The Portal 2 comic has been posted online today for your enjoyment and pondering. It's sort of a filler piece that "explains" what has happened between Portal 1 and 2. Remember all those crazy writings and paintings you found on your way through P1? The story is told through the eyes of the author of those scribbles. In…
Quite a bit of stuff going on with the ARG as well, there's been alot of nice Portal 2 concept art found in the potato games : http://valvearg.com/wiki/Aperture_Science_Login_Screens/Images