If you plan on using nLite, please do so on the SOURCESS folder after running HFSLIP. Some items to consider:
The updated DLL file for the Office Update engine has a bad header, causing Windows setup to complain when it's being copied into the system32 folder. This applies to the DLL in OPUC4.CAB, any version from September 2006 onward. For this reason, you need to put modifyPE.exe from modpe081.zip in the HFTOOLS folder if you wish to slipstream the Office Update engine so HFSLIP can work around the problem.
HFSLIP 1.4.2 and up support the QFECHECK hotfix, but use the XP version for Windows 2000.