#0 - Sept. 9, 2010, 11:04 p.m.
Blizzard Post
We will be bringing down the Beta servers today for maintenance at approximately 3:30 PM PST. There is currently no estimated time for the completion of this maintenance.

This thread will be updated as more information becomes available.

Edit (11:25pm PST): All realms except Mekkatorque are now online.