T1B

I haven't checked all of these out, but some of them seemed interesting, like the reg cleaner for one. Most are for managing and monitoring PCs.

http://www.hoverdesk.net/freeware.htm

http://mlin.net/StartupMonitor.shtml

http://www.spywareterminator.com/download/download.aspx

http://www.gtopala.com/siw-download.html

http://www.benchmarkhq.ru/english.html?/sandradl_e.html

http://www.majorgeeks.com/download181.html

http://www.belarc.com/free_download.html

windows service pack pre install checklist:
http://www3.telus.net/dandemar/spackins.htm

service pack three per install instructions:
http://support.microsoft.com/kb/950717/en-us