Looks like they brought the test realms up, but the character copy mechanism is offline.
I've heard some interesting tidbits about higher ranks of spells for most (if not all) classes, as well as the incredibly awesome... BUG MOUNTS:
(note this is an imageshack link, don't be surprised if it's offline due to high bandwidth)
You can still download the test client from the character copy page, but they haven't said when they'll bring the mechanism back on line.
Saw the patch notes here: