Not that it was ever a bad option but your probably wouldn't of reached those clocks without it. I just got the saphire 7970 OC. I have an artic accellero on it with the stock sapphire vrm heatsinks. The gpu max's at 60c at 1150 core and stock volts. Not that accellero's are known for their good vrm temps but my OC is limited by my vrm temps.
Natural Selection 2 (NS2) - FPS/RTS with depth. Link
Studios and publishers seem to have forgotten that games are supposed to be games, not CG films with playable action scenes. Link