i don't like vista because network transfers are a lot slower.
Try these. In fact everyone should install these. It got rid of a bunch of annoyances in Vista and improved my network speed. Hotfixes FTW!!
KB938979 - An update is available that improves the performance and reliability of Windows Vista
KB938194 - An update is available that improves the compatibility and reliability of Windows Vista
KB941649 - An update is available that improves the compatibility, reliability, and stability of Windows Vista
Here are the hotfixes recommended by nVidia: http://www.nvidia.com/object/windows_vista_hotfixes.html
Do a search for Vista hotfixes, there are a bunch more. These are all things that will be included in SP1, but you can get them individually for now.