ASRock X58 Extreme6 (Intel X58 Express) Mobo @ Tweaktown
Quote: "As we recently said, in motherboards itís all about the features. After all, you are getting the same basic chipsets across each market segment (X58, P55, H5x, 890, etc.). Because of this the performance envelope is something like 5-10% difference on average. True, there are some extreme cases where you might see as much as 20%, but those are going to be very expensive products."
Read the review here