Fry's Electronics currently has the 360 version for $49.99.
http://shop4.outpost.com/%7B5sg1kL3VSjUWkaC0lPnMpg**.node3%7D/product/4887420;jsessionid=5sg1kL3VSjUWkaC0lPnMpg**.node3?site=sr:SEARCH:MAIN_RSLT_PG
Sold out online, but they had a ton of copies at the B&M store.