To ensure the removal of cruft, I rebuild all my boxes running any MS OS at least quarterly. Each time I save on CD all apps that I used for the build, rather than just popping everything back on - so I get a nice minimal build.
_________________________
Rory
MkIIa, blue lit buttons, memory upgrade, 1Tb in Subaru Forester STi
MkII, 240Gb in Mark Lord dock
MkII, 80Gb SSD in dock