While I’m saving my pennies to get a copy of Gran Theft Auto IV for my PS3, I’ve been playing The Orange Box and Burnout Paradise.
The Orange Box is good (with Portal getting two big thumbs-up) but Burnout is really excellent. The game isn’t complex - basically you drive around freely racing and smashing-up other cars. I know this doesn’t sound too spectacular, but it really has been the most fun I’ve had with a driving game in a very long time.
I could go on and on about these two games, but why listen to me when you could be listening to Yahtzee swear about them instead: