Blue post · Kaivax
Almost there!
KaivaxSummary
On 17 September Blizzard said many players were waiting to get into the beta and that a few last issues remained before opening. A second post said the opening was happening gradually rather than all at once.
Read the original on Blizzard's forums
This is our own summary of what Blizzard posted, not Blizzard's text. The original is the authority.