There are also a few non-tweak, maintenance-type things you can do regularly to speed things up:
-- Delete all temp files (c:\windows\temp\*.tmp)
-- Delete temporary internet files (c:\windows\temporary internet files\*.*)
-- If you use I.E., click on Tools, Internet Options, Delete Files, select "delete all off-line content", click OK
-- Click on Start, Programs, Accessories, Systems Tools, Disk Cleanup
-- Download AdAware, check for updates, run it and remove whatever it finds
-- Download Diskeeper and defrag
-- Delete all temp files (c:\windows\temp\*.tmp)
-- Delete temporary internet files (c:\windows\temporary internet files\*.*)
-- If you use I.E., click on Tools, Internet Options, Delete Files, select "delete all off-line content", click OK
-- Click on Start, Programs, Accessories, Systems Tools, Disk Cleanup
-- Download AdAware, check for updates, run it and remove whatever it finds
-- Download Diskeeper and defrag