In case you somehow haven’t bought Portal 2 yet – and are still trying to decide what platform to get it on – GameSpot has a very good little video review for you comparing all three versions of Portal 2 in terms of graphic quality. They cover all the usual suspects: shadowing, resolution, anti-aliasing, etc. The results are very enlightening.
Which one came out on top? You’ll have to check it out for yourself.portal 2 anti aliasing, portal 2 antialiasing, what is the best antialaising in portal 2