If you haven't heard of AMD's new RV770 graphics processor then you either haven't been paying attention or are simply too set in your ways to start calculating your GPU's performance using a 1.0 TFLOP base unit. For the rest, we bring you all the reviews that on-line advertising can buy in the link round-up below. We'll give HotHardware the honor of summarizing the performance of the sub-$200 Radeon HD 4850 and $299-ish 4870: "it appears AMD is back in the graphics game versus rival NVIDIA." Now put on your propeller caps and start clicking.

Read -- Hot Hardware
Read -- PC Perspective
Read -- Hardware Canucks (HD 4870 only)
Read -- AnandTech
Read -- TweakTown (4870 in Crossfire)