Seatpost Rack for 34mm Seatposts

[JonathanG]

I'm looking for a seatpost rack for my Xootr Swift, which has a 34 mm seatpost, the same size as those on the Dahons. So far I've only been able to find two with a clamp that's listed as fitting a post that big: the Dahon QR Rack, available from Gaerlan, here (http://gaerlan.com/dahon/rack.htm); and the Pletscher Orion available from ThorUSA, here (http://www.thorusa.com/pletscher.htm) (at the bottom of the page). If any members have any thoughts about or experiences with these, or suggestions for other seatpost racks that would work with a 34mm seatpost, I'd really appreciate it.
Thanks,
Jonathan