D8M: Eighth generation Mainstream, previously named G98 (The old 8 series cards, 90nm processor design.)
D8M: The odd bird - (GeForce 8800 GTS SSC, 112 stream processors, 90nm processor design.) (Out now) Memory listed as (320MB or 640MB).
D8P: Eighth generation Performance, previously named G92 (The New 8800 GT, G80 GPU, 112 stream processors, 65nm processor design.) (Out now)
D8P: (The New 8800 GTS), Will be baised on an improved version of the G80 GPU. with 112 stream processors -or- 128 stream processors, 65nm processor design.) Released in Dec 2007.
D8P: (The New 8800 GTX and or 8800 Ultra), with 112 stream processors -or- 128 stream processors, 65nm processor design.) One built-in feature will differentiate them from the other models when the new NVIDIA chipsets are launched. The G80 variant used in the NVIDIA GeForce 8800 Ultra is known internally as the G80+". Released in 2008.
D8E: Eighth generation Enthusiast, Two chipsets on two PCB's with two huge power connectors. (Unconfirmed processor design x 2), Released in 1st Q 2008. (Fudzilla Card)
Believed to be the 1TF 4Q07 card that wasen't quite ready.
D9M: Ninth generation Mainstream, (Will be the GeForce 9xxx-series cards. PCIe 2.0 support, DirectX 10.1, wider memory controllers, up to 128-bits, and will be based on a 65nm silicon.)
D9P: Ninth generation Performance, (Adds the same features as D9M, but the memory controller width will top out at 256-bits, and will be based on a 65nm silicon.)
D9E: Ninth generation Enthusiast, Codenamed G100, (Will incorporate all features of D9P and add a 512-bit memory bus, and will be based on a 65nm silicon.)
NVIDIA has not provided any other guidance or release date on D9E. (Fudzilla's release mid 2008