If you have been waiting for it, has finally arrived Windows Server 2003 Service Pack 2 has been released as a Download and to Microsoft Update. As with ANY update it should be extensively tested before being deployed into production.
To start testing head over to Microsoft update.
For the download version of Service Pack 2 head over to the following URL:
http://www.microsoft.com/technet/windowsserver/sp2.mspx
The update totals around 372 Mb for the 32bit x86 version of the update and 350.9 for the 64bit x64 version; you can also find Service Pack 2 for Windows XP Professional 64bit on the same above URL.
I would be interested in hearing how you have found this Service Pack, any issues or problems please let me know, so I can get as much information about this update before deploying into production.