Yikes, I didn't realize media outlets were steering people towards buying to play 1G? That's a nice double edged sword (more preorders = rad, angry that it's a week off = lame).
So, here's the deal for anyone that preordered reciently...the current beta of 1G, while it has the new features, also has some new BUGS. We're going to spend the next week polishing and fixing whats there, at which point (from my understanding) we'll be releasing a 1G update (solving all the issues we can fix in a week's time).
That 1G Update, scheduled for next Thursday, is where we'll let the newest batch of early-adopters join in the testing.
Please remember, though, that this isn't like the Starcraft 2 beta, or any other beta you've probably played. This is more like an alpha build from those teams. We're LITERALLY implementing the core systems, where the game looks 25% complete opposed to the 95% complete beta of Starcraft2 people are enjoying.
This is also a blessing and a curse...you may have to sift through a unpolished experience, but it give you, the player, a chance to really impact the final game (not just do MP server testing).
Anyways, can't wait to have a new group of testers in the mix! We'll keep eveyone posted.