Presently, there is a substantial price and performance gap between ATI's HD 5850 and HD 5770 which was filled for a short time by the HD 4890. ATI has now decided to release a card that effectively bridges the space between these two cards with the aptly-named HD 5830 1GB. In this review we look at the Sapphire version of a card that could prove to be a new price / performance leader in the GPU market.