>>There's a really annoying interaction between Norton AntiVirus and VSS that
>>causes the PM to open much more slowly. Disabling NAV speeds things up
>>considerably....
>By "considerably", can you give an example?

It gets much closer to the same speed as if VSS weren't running. I'm working on a project now with > 120 files in it. On my PPro, 64M RAM, it opens in about 7 seconds.