Windows XP SP2 RC1
Good news, you can get XP SP2 Released Candidate 1 now!
Official detail:-
Customers who download Windows XP SP2 RC1 will not be eligible for support through the technical beta program. However, Microsoft has created 11 new newsgroups to foster community-based support.
http://communities.microsoft.com/newsgroups/default.asp?icp=xpsp2&slcid=us
Customers are encouraged to download and begin testing Windows XP SP2 in their environments through this release candidate.
The download and related information is located at this URL:
http://www.microsoft.com/sp2preview
Note:
Currently, you can download English and German version only. I heard Japanese version is out as well, but can't locate the link. Also take note that due to many users grabbing the files at the same time, you may experience slow connectivity and timeout error during the download.