We had a talk by the NVIDIA folks at Astro-Viz 09. One
technology they are pushing is CUDA, which can be used
in code to utilize the GPU instead of the CPU. Here are
some NVIDIA CUDA benchmarks for real world apps,
mostly video transcoding:

http://hardware.slashdot.org/article.pl?sid=09/05/18/2020205

Tom's Hardware review is quite positive if your application
accelerates the action you want to do. They say that Adobe
CS4 includes some CUDA acceleration, anyone have
experience with it?

http://www.nvidia.com/object/builtforadobepros.html

Frank