When I installed a beta version of CS5 on a dualXeon workstation running Windows 7 64-bit with 8GB of RAM, I did not notice a substantial improvement in rendering speed - but then, my workstation doesn't have one of the approved graphics cards. The number of graphics cards with which Premiere Pro will support GPU acceleration is very small; but if video editing is your job, you now have an upgrade path that is practically guaranteed to speed up your workflow. - Show less
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