InsideHW.com has posted a review for nVIDIA GeForce GTX 280.
A quote from the article:
>> nVIDIA GeForce GTX 280 Review
One of the most expected products in hardware industry these days is nVIDIA GTX 280. nVIDIA says that it's a new generation product, which is not just a simple upgrade from G92 chip. It is still based on the same technology but it has some major upgrades that make it worthy of calling it the next gen graphics card. If you want to know if this is true or just simple marketing, continue reading the next few pages.
>> nVIDIA GeForce GTX 280 Review