Put an end to stuttering online videos and enjoy smoother, full screen SD and HD content with an NVIDIA® graphics processor. Adobe Flash Player 10.1 beta is here, with full GPU-acceleration for NVIDIA® ION™ and NVIDIA® GeForce®-powered PCs; and support for NVIDIA® Tegra®-powered devices coming soon. Visit these HD Gallery pages from your favorite websites to view GPU-accelerated Adobe Flash 10.1 content. The full production release of Adobe Flash Player 10.1 will be available in 1H 2010.
http://www.nvidia.com/object/adobe_flas … vidia.html

Also,
We expect to provide native support for 64-bit platforms in an upcoming release of Flash Player following the release of Flash Player 10.1.