If you have been steadfastly holding on to Windows XP (and really, who could blame you?), you have probably been looking forward to the promised Service Pack 3, which will bring some of Vista’s polish to the venerable XP, as well as tidy up the old OS generally.
Download it via Windows Update today.
Windows XP SP3 now available | Engadget
Edit: Links to the update here, since it won’t hit Windows Update for a day or two, at least.