I am about to make a big purchase(for me anyway at $399CAD) and buy the World Tour panniers tomorrow. There is not a lot of information, reviews, or feedback on them to be found online. They seem to do exactly what I want in that I can use them as both a pack and a pannier. If anyone has the World Tour or another pannier made by Panpack could you post your feelings about them? Thanks....

http://www.panpack.com/world.html