Here is a good slideshow that points out some of the main differences.  Notice that a C-17 can Airdrop 3xM-113s and can Airland 5xM-113s.  The 173rd ABN did just that in OIF 1 when they airlanded 5xM-113s per C-17.

 http://www.geocities.com/wheelsvstracks/compindex.htm

John, the deck was stacked big time.  Read the following link on the 2001 protest by United Defense LP  http://www.globalsecurity.org/military/library/report/2001/b-2869255.htm