Summary: GT HD Concept is the most impressive PS3 game I've seen thus far. I thought the opening scene was actual footage of a real car racing around a track, until I played the game. The graphics are incredible.
Summary: One of the best free demos I've ever played. The only thing keeping it from a 10 is its "forced finish" bug, which Sony has addressed via a 1.1 rerelease, but has neglected to remove the false low times from the online Rankings charts. Even so, this is a very promising glimpse into GT's future.