The Guru of 3D posted GeForce GTX 275 overclock guide
A quote from the article:
>> GeForce GTX 275 Overclock Guide
Two days ago we showed you how to overclock the all new Radeon HD 4890. Today the turn goes to the new GeForce GTX 275. See, you picked up this GeForce GTX 275 for 229 EUR, a card full of livelihood, performance and bang for buck.
But heck, you are guru ... you want more. Here's where we present you an overclocking guide. The end result of 2 minutes work is 10 to 15 percent more performance. Join us for a quick crash course in graphics card tweaking.
>> GeForce GTX 275 Overclock Guide