Phoronix published a review on the ECS Z87H3-A2X Extreme
A quote from the article:
For those in the market for an Intel Z87 Haswell motherboard, the ECS Z87H3-A2X Extreme is a great candidate and sells for less than $250 while packing a plethora of features and is mostly compatible with Linux.ECS Z87H3-A2X Extreme @ Phoronix
ECS has traditionally been a budget PC component manufacturer over its long tenure, but in recent years they have been delivering higher-end products as covered in ECS Phoronix reviews in recent years. The ECS Z87H3-A2X Extreme is a higher-end Haswell motherboard relying upon Intel's Z87 chipset and offers a number of extra features like WiFi, Bluetooth, and MIB X overclocking.