Personally I am more intrigued by the DC fight, but I am not as big a fan of rematches as most MMA fans seem to be.
I think DC is a tougher fight for him, I would personally favor DC in that fight, though I wouldn't say it is a lock by any means, I believe either man could win that fight.
Jones fought Gus, it was close, but I do think the judges got it right (also it was close enough for me to accept the decision had it have gone to either guy or even if it had been a draw)
..... and ...
I think Jones does better against Gus in the rematch. Greg Jackson and crew are very good with game planning, which tends to be the difference maker in rematches since the first fight was obviously close thus warranting the rematch in the first place.
I'd like to see Jones fight both guys, but giving the choice I would like to see the DC fight first, IF DC is 100% healthy to fight... if not then Gus should go next.