The HAL Replacement script for MDT 2008 (LiteTouch and ZeroTouch) has been updated with support for XP SP3 and SCCM 2007.
Note: 2008-12-23, added standalone version for users running third party deployment solution like Intel LANDesk or Altiris,
Download link:
http://www.deployvista.com/Repository/tabid/71/EntryId/53/DMXModule/396/ctl/EntryDetails/mid/396/language/sv-SE/Default.aspx