I love the idea of this bag and I have it in the 22 inch as well, which works pretty well as a carryon (often is too large for upper compartment nowadays, but if you pack items in front pouch in a bag before putting them in the pouch, you can pull out bag and fit both in upper compartment with no trouble).  The 32 inch one, though, starts out empty at 15 pounds, only leaving room for 35 pounds of stuff!  Unless you are packing a bunch of down coats and helium balloons, there is almost no way to make use of the large amount of space without going over the airline weight limit.  This bag is now relegated to my parents' basement and pulled out only when I move apartments.  It's too large for most car travel (would fill up the better part of a trunk) and too heavy for air travel.  I do LOVE the concept, however, and I'm pretty darn fond of my 22 inch one.  There needs to be a 28 inch one with the weight cut in half.  I guess it will exist only in my dreams.