After burning through Ultraxion and Warmaster Blackhorn today, we accessed the Spine area, and it's pretty amazing looking.
Stream from Reckoning here of the event area (we can't begin it yet, it's not active):
http://www.twitch.tv/Benefitz
Imgur screenshots, full view and back view:
http://imgur.com/sVVyN.jpg
http://imgur.com/uNOSy.jpg
http://imgur.com/qcepm.jpg
We'll be streaming the Spine encounter at 4:30 CST when the fight begins.