Large GPU chart update, Radeon HD 4870 X2 and more.

GeForce GTX 280 3-Way SLI, Radeon HD 4870 X2 CrossFire, GeForce GTX 280 SLI, GeForce GTX 260 SLI, Radeon HD 4870 X2, GeForce 9800 GX2 Quad-SLI, Radeon HD 4870 CrossFire, GeForce 9800 GTX+ SLI, Radeon HD 4850 CrossFire, GeForce 9800 GTX 3-Way SLI, GeForce 9800...