SQL Server 2005 SP3 Beta is available!
Okay, it happened a couple of days ago; sorry for not noticing. But SQL Server Release Services / Sustained Engineering has announced that an SP3 Beta has been made available. The build is 9.00.4028 and you can download it here:
This is earlier than I expected, and is probably why, unlike previous cumulative updates, no advanced KB article was produced for CU11 after CU10 (9.00.3294) was released.