Glad to see someone posted it, got the email earlier. Voted for:
#1 - Steelbook
#2 - Grappling Hook replica
#3 - Backpack
#3 was either going to be backpack or map (to be a lesser priced CE), but I figured its been awhile since we got a "Crysis"-type CE. I don't play/collect JC, but that'd be a sweet CE for sure!
Also, honorable mention goes to the "exploding" 3D puzzle, that's kind of unique and very "Just Cause"-like!