The AMD 5xxx series has been a resounding success, dominating the mid/high range sector since it was released many months ago. We wouldn't be the Guru's of Kit we proclaim to be if we didn't take a look at one of the sexiest 5850's on the market =96 The Sapphire HD5850 Toxic Edition. This card was released several months ago and is a complete redesign of the AMD reference edition design.