Others, such as Trouba , probably already knew about this, but this is a standalone cleanup app that might be useful. -- http://forums.mydigitallife.info/threads/59389-Dism-A-Powerful-Tool-of-Clean-and-Tweak
Cool, does seem to give you more control than regular DISM - I'll give it a try once my family is over the flu and I catch up on all the stuff we can't currently keep on top of
