Below is a 4 part tutorial I did that calls out some tweaks, tips, and optimizations you can do to your Vista PC to make it perform better for audio recording. All of the tips called out are directly from our Windows Optimization guide which can be downloaded in PDF form at:

http://line6.com/data/l/0a06007213339477ea0690cb2a/application/pdf/GearBox%203.5%20and%20later%20Windows%20XP%20&%20Vista%20Audio%20Tips%20&%20Optimizations%20(Rev%20A)%20-%20English.pdf

Vista Tweaks and Tips Part 1: (Can also be found at http://www.youtube.com/watch?v=G1bbVtfxB1U)

Vista Tweaks and Tips Part 2: (Can also be found at http://www.youtube.com/watch?v=lU5RI3F9rb8)

Vista Tweaks and Tips Part 3: (Can also be found at http://www.youtube.com/watch?v=kXFlmAEV-ps)

Vista Tweaks and Tips Part 4: (Can also be found at http://www.youtube.com/watch?v=qPWEE49fylY)