ebgames.com.au is already taking pre-orders on it and it seems that this Edition deserves the word "limited" It is limit 1 per customer. PC is already sold out.
http://www.ebgames.com.au/xbox360-15...ition-Xbox-360
Edit1: also available at Gamestop.com with no restrictions.
Edit2: I'm also on the lookout for a Collector's guide. I will provide any new info I found