"GeForce GTX 460 competes well with both the older Radeon HD 5830 and the newer Radeon HD 6850. For example, Manli GeForce GTX460OC has a highly efficient cooler and is factory overclocked to 800 MHz. It even works fine at 850 MHz core clock rate."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips