Benchmark Reviews posted an article about overclocking NVIDIA GeForce based video cards

Overclocking can take on many forms, and experiments can range from minor product improvements to a total re-engineering project that completely alters the hardware. Because of their long history of successful product launches, NVIDIA is the most recognized name in the graphics industry. Their GeForce series of desktop graphics accelerators has become an enthusiast favorite, primarily because of excellent overclocking potential. For gamers, overclocking unlocks a hidden potential to change the graphics quality settings from medium to high without a hardware upgrade. The results are often times worth the risk, and in this article Benchmark Reviews will focus on achieving the most gain possible from any NVIDIA GeForce video card through overclocking, while using the least amount of effort.

Overclocking the NVIDIA GeForce Video Card