I apologize if this is a repost but the closest I've seen was the TRU one for $103 + s&h. Not too shabby a deal if ya ask me. I don't know how to adjust the link so CAG (Cheapy) gets credit so if anyone can post the link,feel free:
http://www.deepdiscount.com/Halo-3--Legendary-Edition--Xbox-360--New-Releases_stcVVproductId21036840VVcatId480058VVviewprod.htm
http://www.deepdiscount.com/Halo-3--Legendary-Edition--Xbox-360--New-Releases_stcVVproductId21036840VVcatId480058VVviewprod.htm