Aarn Backpack, $250.00 shipped to CUS floats like no other pack. I paid over $600.00 for this pack including the small front pockets, shipping and duty. See the pack at:
http://www.aarnpacks.com/products/ef...ss_rhythm.html

There is no other pack like this. It is also modified to be easier to reach the crucial adjustments.
Cheers, Mule