Marc,
I just received a rolling duffle that was bought for use when we go on Tusk. I think it can be seen at
http://www.luggageonline.com/product.cfm?ProductID=4368&tab=3&catID=4&brandID=0 I also received a new rolling garment bag that was a Travel Pro Walkabout Lite, which I exchanged. While I have several Travel Pro suitcases that are fine, they are a different line than the Walkabout Lite. I didn't think the latter looked too sturdy. Pathfinder has a new "lite" line carried by most department stores (but the same line does not seem to be available at the Internet luggage sites). At the stores (like Hechts) it is the Presidential 3LT model (not the Avenger). It may be very similar to Pathfinder Revolution on the Internet. The Pathfinder is more money than the Travel Pro, but it was the same weight and seemed much more sturdy--by the way, Hechts had a great deal if you wanted the line in red.
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Eugene