I was hoping a repair may clear out the crud and speed things up a little.
It will be from a smaller to larger HDD. Reading up on Norton Ghost, it shouldn't be a problem.
But should things not go as they should and I have to reinstall or repair, didn't want to wait for hours whilst XP updates downloaded and installed.
Seems there are lots pf $NTuninstallKB etc, but none of the actual install files