Windows 2003 SP2 is on Windows Update - 3790.srv03._sp2_rtm.070216-1710

Still not sure if this is a mistake or not, but the installed binaries are definitely not build 2845, which was the Windows 2003 SP2 RC1.
I don't have a link handy, outside of telling you to go to Windows Update to get the update.
Microsoft's own website hasn't been updated yet with the information, which is making me wonder if this was a mistake on the part of WSUS.