There is a 580 on ebay right now. It is much different than the 5.8, and has centerboards, self tacker, and all the new high-tech stuff. Kind of a cross between a racer and a pleasure boat, and has a super clean tramp!
see it here: http://cgi.ebay.com/ebaymotors/Nacr...QQitemZ4600028208QQrdZ1QQsspagenameZWDVW