so, i've got this weekend off from work and decided to get sp1 (just in case shit went wrong i could fiddle with my OS). from what i've heard it IS available off of windows update. i went there and it's not listed. does that mean i have some software installed on my pc that msu found incompatible and therefore won't let me update? it doesn't bother me at all that i don't have sp1 installed, but would like to know why. next format i'll install it i guess.