A metacafe vid? "make windows run light and fast"

[greeneagle]

what do you think? is it safe to try this?

i'm feeling a bit hesitant. it's safe to delete the Prefetch files I know.. as they just help speed up the opening of programs. I dunno about the dllcache, though

http://www.metacafe.com/watch/1016603/make_windows_run_light_and_fast/