Instead of formatting the hdd and starting all over again, I am thinking I can just convert my os installation by going through these steps listed below. The steps are what I normally do to move sombody's hard drive over to a new system while keeping their installation intact.
1. Load the XP Pro x 64 cd from the boot.
2. Select Install Windows and press F8 to agree to the terms.
3. After it finds the previous installation of Windows, I select to repair the installation.
Hopefully after it deletes all the old files, and copy's over the new files and basically re installs the os I should be up and running on XP Pro x 64 without having to redo the entire thing.
Think it will work?