DailyTech's got the dirt on the upcoming next generation card from NVIDIA, the 7900GT. Pics & specs included, so hit the link if you're curious.

"NVIDIA's new 7900GT is expected to use new Samsung GDDR3 memory that's reported to be operating at 1.4ns but frequencies are unconfirmed at this point. In contrast, ATI's X1800XT uses GDDR3 memory with a 1.2ns time running at 1400MHz."