Asrock Z77 Extreme6 LGA 1155 ATX Intel Motherboard = $100 + $6 shipping at MicroCenter
http://www.microcenter.com/product/395374/Z77_Extreme6_LGA_1155_ATX_Intel_Motherboard
Price should be good from Feb 1 - 3, 2013.
Z77 Extreme4 and Z77 Extreme6 Dual Review
http://www.overclock.net/t/1333812/asrock-z77-extreme4-z77-extreme6-review