How I missed this I don’t know. Now I know, so you will too…LOL
The Pillar of Autumn is available for your avatar on XBOX LIVE Marketplace or XBOX.com.
Here’s a YouTube vid of it:
You can buy it here: http://marketplace.xbox.com/en-US/Product/Pillar-of-Autumn/00001000-7c9f-2223-c79a-34d44d5309cf?cid=SLink
And…I just bought it!