I think Cormier would beat Cain in a match, and if not, it would be darn close as they are so similar in style. Cormier is a better athlete, achieved much more than Cain in wrestling but both I feel could be interchanged. This is why, this fight is the most important fight in the history of the world. It is the first time we get to see who is the best fighter on the face of the planet. One could also make the argument for Fedor v B-Nog but that was when MMA was still in it's relative infancy with more 1 dimensional traditional martial artists, dispersed w/out a consolidated fighting league.
This is the first bout where we have two A plus level athletes, undefeated and fighting each other in the modern age of MMA. The implications and historic value CANNOT be understated, in that sense, it is very similar to UFC 1, that the world will find out who/what is the best, except this time, we find out who is the baddest mutha fucka to ever walk the face of the earth.
So incredibly psyched, cannot frickin' wait for Saturday evening to come!