bill - 2:27 am on Feb 25, 2008 (gmt 0) Overview
If you're interested to see what the next XP service pack has to offer you can get it by following the instructions in the article linked below. caveat: This is release candidate software. It's not the final public release of XP's SP3.
Windows XP Service Pack 3 Release Candidate 2 via Windows Update [microsoft.com]
Microsoft is allowing Windows XP Service Pack 2 machines to be offered Windows XP Service Pack 3 Release Candidate 2 via Windows Update. Windows XP Service Pack 3 will be offered on Windows Update when Service Pack 3 releases in the first half of 2008.