PS3 games have highest review average.

[Stockstar1138]

http://www.next-gen.biz/index.php?option=com_content&task=view&id=9066&Itemid=2

 PS3 games are on average the best reviewed out of all next-gen systems.  Mix in a little MGS, LBP, GT5, FFXIII, R2, KZ2, and it looks to increase its lead even farther.