Amazon Germany has posted a few more details about the arcade version. 4 gigs of storage, 199.99 and releases end of August. Obviously just rumors for now.
http://www.examiner.com/x-28759-Atl...0-Slim-Arcade-details-outed-by-Amazon-Germany
http://www.examiner.com/x-28759-Atl...0-Slim-Arcade-details-outed-by-Amazon-Germany