Sapphire's Vapor-X Radeon HD5870 takes a top of the line single GPU graphics card and enhances it in a few areas to make it even more appealing. The 3D performance is definitely impressive, but the fact that it stays cool, quiet, and doesn't send the electric meter spinning seems like an even greater accomplishment.

Read whole review: Sapphire Vapor-X Radeon HD5870 1GB