Paragon GPT Loader includes a special driver, which augments Windows XP by adding support for GPT (GUID Partition Table) disks and a utility to help you initialize ultra high capacity drives (larger than 2.2TB).
This is a fabulous idea worth very much the while - however - many of the Windows 7 32 and 64 bit have the same lack of functionality as the older versions of XP.
It would be nice to have a Windows 7 edition that extends this into the Windows 7...