I stumbled across the following this afternoon, I don't know anything about it other than what I read on the web site.
"GPU Decoder", hardware accelerated decoding of AVCHD/Quicktime h.264 files for NLEs. Plugin supports Vegas v9 or Adobe CS3 and higher.
Support GeForce 83xx and higher, except 8800GTS 320/640MB and 8800GTX/ULTRA
Support Quadro FX x70 and higher, FX x700 and higher, CX, VX, NVS 290 and higher, except NVS 300M/400/440/510M
Support Ion
Support Windows XP, Vista, Seven
GPU Decoder Vegas 1.x - Support Vegas Pro 9.0a (x86) and higher.
(partial support on Vegas Pro 9.0 (x86) non-h264 quicktime files and tif files disabled)
$95.00 (download)
http://www.divideframe.com/?p=gpudecoder
"GPU Decoder", hardware accelerated decoding of AVCHD/Quicktime h.264 files for NLEs. Plugin supports Vegas v9 or Adobe CS3 and higher.
Support GeForce 83xx and higher, except 8800GTS 320/640MB and 8800GTX/ULTRA
Support Quadro FX x70 and higher, FX x700 and higher, CX, VX, NVS 290 and higher, except NVS 300M/400/440/510M
Support Ion
Support Windows XP, Vista, Seven
GPU Decoder Vegas 1.x - Support Vegas Pro 9.0a (x86) and higher.
(partial support on Vegas Pro 9.0 (x86) non-h264 quicktime files and tif files disabled)
$95.00 (download)
http://www.divideframe.com/?p=gpudecoder