Cheapest X79 board on newegg is $175 after rebate, and the i7-3820 is $280 after $20 promo code which is $10 cheaper than the i7-3770 which is 200MHz slower, has less cache, among other things.
Sure there are cheaper LGA1155 boards, but X79 isn't the complete rip that people make it out to be.
I'm sure this cooler will be of use to those who don't want to OC but either want 64GB of ram, the massive amount of PCIe channels (these don't have to be for only video cards...), the faster stock clocks, etc/mixture of these.
And like someone else mentioned... the LGA2011 xeons.