World of Warcraft: Mists of Pandaria Beta starts soon

According to a source who is at Blizzard this week, Blizzard are currently preparing top launch the World of Warcraft: Mists of Pandaria Beta test.
The test is apparently going to be starting “soon” and Blizzard are curtrently prepping the Beta servers for launch.
World of Warcraft players who have taken out an annual pass will be given priority access to the Beta and will be invited in to the test in waves.
Source: Diablo IncGamers.