Haven't tried any other uninstallers but the tips below may help a bit.
Navigate to sysoc.inf in the C:\WINDOWS\inf.
Then press Ctrl+H to open the Replace Wizard.
In Replace Wizard:
Find what: ,hide,
Replace with: ,,
Then forward to Control Panels>Add/Remove Programs>Add/Remove Windows Conponents, some hidden Windows Conponents should now show.
To remove unused drivers and devices see
this link.A good guide to thinning XP
is here?