Cheapest HD4870 I've seen to date - free delivery available in basket choices.
"The ATI Radeon HD 4800 Series GPUs bring the power of graphics ?supercomputing? to gamers, setting a new standard for visual computing. Redefine the way you play and take HD gaming to the extreme with best-in-class performance. The new TeraScale graphics engine delivers an immersive, cinematic gaming experience. Add this GPU to your PC and watch Blu-ray movies and play HD content with incredible visual fidelity. Do it all with break-through efficiency that doesn?t compromise performance. "