these threads should all be helpful...
http://www.airforums.com/forums/f439...ide-26749.html
http://www.airforums.com/forums/f48/...ted-66860.html
http://www.airforums.com/forums/f250...ecs-68324.html
http://www.airforums.com/forums/f366...ted-73434.html
please FOLLOW the
linked threads that are embedded in the threads above as well.
those links will take you to more details, which aren't gonna be retyped.
along with the limited vs basic classic info above,
there were changes MID production year in 2005 which resulted in LARGER cargo/carry capacity...
and the addition of disc brakes.
starting ~with 07s, the limited moniker was applied to all the classics, but with LESSER content than the 04-06 units.
cheers
2air'