Just got my key :=P

Curse has 500,000 beta keys for TESO Beta! Curse Premium users will have first chance to grab one, from February 4th through 5th. The giveaway will then open to everyone else on February 6th to 10th.

You can find more details about TESO on the official site and the wiki. Preorder details and beta support are also on the official site.

You can grab your key here! Keep in mind that the beta is still under an NDA.