OCC has published an article on a X58 Motherboard Roundup

The overclocked scores give us a better idea of how each board performs. In Apophysis, MSI's X58 Platinum takes first place by one. The top performer in WinRAR is another MSI board. In just about every benchmark the MSI Eclipse Plus outperforms the competition. For this round I'd say the MSI Eclipse takes the cake, hands down, for both the stock and overclocked scores let's move on to the next set of benchmarks.

X58 Motherboard Roundup Review