When nVidia released the GTX460, everyone was literally blown away - this was a mid range card that utterly dominated the market and delivered staggering levels of performance, particularly when overclocked. AMD had left a big hole in its range, from the 5770 to the 5850 - with only the lightweight 5830 offering any resistance in the £130 to £200 market. The headroom on nVidia's GTX460 card was incredible, with voltage tweakable solutions today hitting 1GHz on the core. AMD haven't been asleep on the job though and the new 6800 series is a direct reply to the serious questions the GTX460 has been asking.