Do you have another computer available with a CD burner?
If so, you qualify for Knoppix! http://www.knoppix.net/
Basically, it's a Linux version that runs directly off the CD. Just put it in, reboot, and you'll end up in Knoppix. You can check your Windows directories and see if your information is still there (sounds like it was really
If your stuff is still there, and you have another CD drive or a floppy drive (depends on file size, of course) on your computer you can just copy the data there. If not, I would suggest taking your harddrive into a computer store and see if they can save your stuff.
At least Knoppix will be able to tell you if it's there or not.