Thought this was fairly cheap on scan, the have also got the XFX version of this in the today only section at £187.99.
Faster clocks, double the transistor density of earlier 40 nm technology. 40nm technology helped make HD6870 series products the most advanced GPUs ever highest clocks speeds, incredible feature integration, full performance and precision all the time, and ability to take advantage of future, higher-speed memories. Avivo™HD could provide vibrant high fidelity, flawlessly smooth next-generation video playback. Avivo™HD technology easily allows your PCs to become digital home media center by its compelling video pipeline design that comprises the latest high definition video hardware acceleration, including H.264 and WMV9.