What do you guys think? Anybody know anything about this horn? http://cgi.ebay.com/One-of-JJ-Johnsons-King-2-B-trombones_W0QQitemZ280140958515QQihZ018QQcategoryZ64377QQssPageNameZWDVWQQrdZ1QQcmdZViewItem J.J. Johnson's trombone? I see this come up every so often... Bill Dinwiddie billdin at comcast.net