Anandtech published Best X99 Motherboards: Holiday 2014
A quote from the article:
As we approach the holiday season, the Haswell-E and X99 platform has only been on the market for almost three months. With a rushed launch, the motherboard manufacturers raced to get their models out to market, but as time has moved on we now have the bulk of the X99 landscape to examine for potential.Best X99 Motherboards: Holiday 2014 @ Anandtech