Great performance from the HD 4850, and it seems like a very efficient card, the minimum frame rates are high, even equaling the GTX260 in a couple of games. It beats the 8800Ultra/9800GTX overall.

Can't wait for the 4870 reviews. I think I'm getting an HD 4870 1GB GDDR5, hope they won't cost more than $350

BTW, Sapphire HD Radeon 4850 in stock selling for $189