One of these chips is already available, the D8P was released last week as the GeForce 8800 GT. Next month we can also expect a new GeForce 8800 GTS that will be based on the 65nm D8P core with 112 and 128 stream processor revisions.
D8M: Eighth generation mainstream, previously named G98 D8P: Eighth generation performance, previously named G92 D9M: Ninth generation mainstream D9P: Ninth generation performance D9E: Ninth generation enthusiast
The D8M is also coming out in December, this is a 65nm revision of the GeForce 8400.
Next year NVIDIA will release its first ninth generation graphics cards. This includes the 65nm D9M which will replace the GeForce 8500 series with PCI Express 2.0 support, DX10.1 and up to 128-bit memory controllers. The D9P has the same features but will feature 256-bit memory controllers.
The new high-end part that will replace the GeForce 8800 series is the D9E, this product will have all the features of the D9P and will add a 512-bit memory bus. Pricing and availability details are still unknown.