Using System Restore Point To Move My Documents Folder To Another Drive

I'm using Win XP Pro SP3. When my files in "My Documents" outgrew my hard drive's capacity a while back I bought a new hard drive and decided to move my "My Documents" onto the new F: drive, leaving everything else on the original hard drive. It seemed like the simplest solution to my problem at the time. The situation does create a few syntax problems revolving around the question "When is the 'My Documents' folder not really the 'My Documents' system folder?" Most of the time I don't have any problems with the arrangement, but there are a couple of anomalies. At present my command line environment variables do not have any easy way to point to "My Documents" because (for example) %userprofile%My Documents points to the folder on c: that used to be the 'My Documents' system folder rather than to the current location of the system folder.

That is not usually a big deal but it may be related to the more frequent problem. A few ill-behaved programs expect to find and store files in %userprofile%My Documents (which is on C: drive) rather than in the actual system folder "My Documents" on F: which makes it harder to find these files when I search for them. Just to 'simplify' the situation I thought about setting a reparse point in the old "My Documents" folder ( %userprofile%My Documents ) that points to the actual system folder (which is F:My Documents ) Tinkering with settings like this has potential to break things in unexpected ways so I thought I'd ask whether there are any obvious problems with the 'solution'. Or are there better ways to keep the user documents on a second hard drive?