NVIDIA Working On Dual-GPU Card For Q1 2008

NVIDIA's next high-end graphics card will be launched in the first quarter of 2008.
The new card is codenamed D8E and will look a lot like the old GeForce 7950 GX2, the product will feature two GPUs on two PCBs. The details aren't know but it's expected that this card will use modified GeForce 8800 GT GPUs.

By mid-2008 NVIDIA will have a new single-chip part, the G100 (D9E).

Source