http://www.digitimes.com/news/a20100901PD215.html

Nvidia has recently been developing a chipset that combines the functions of a southbridge and a GPU, with the goal of the product to reduce cost for PC makers as well as create more potential for smaller and lighter devices, according to sources from motherboard makers.

The makers stated that legal considerations, in terms of permission from Intel for Nvidia to participate in the chipset business, should be made smoother by the recent lawsuit the US Fair Trade Commission (FTC) took up with Intel. However, Intel is not expected to start any such negotiations with Nvidia in the near future, the sources speculated.

Therefore, Nvidia is developing the new chipset to bypass Intel's new Sandy Bridge architecture, which combines CPU and northbridge chipsets. Nvidia's chipsets is expected to be US$10-15 less than Intel's standard GPU-integrated southbridge chipsets and makers will no longer need to integrate an extra graphics chip.
What would be the real use of this GPU/Southbridge combo if you wind up buying a Sandy Bridge CPU that already has a GPU included Or even a Bulldozer CPU that will do the same thing????