Video:XFX GeForce GTX 260 XXX Edition @ TweaktownAMD’s Radeon HD 4870 graphics processor @ The Tech ReportAMD 4850 Single/Crossfire @ t-breakHIS Radeon HD 4870 CrossFire Video Card Review @ Legit ReviewsAMD Radeon HD 4870 and HD 4850 Review – Mid-range GPU mix up @ PC PerspectiveSapphire Radeon HD 4870 in Crossfire @ TweaktownMotherboards and Chipsets:Asus P5E3 Premium WiFi-AP @n Edition Motherboard @ Legit ReviewsZOTAC NVIDIA 790i Ultra SLI Motherboard @ TweaktownASUS Crosshair II Formula Review @ OCCProcessors:AMD