Newegg has Biostar's TZ68K+ for $65 after $10.00 MIR + Free shipping.
Lowest I've seen so far for this model.
Supports upcomming Ivy Bridge processors and PCI-Gen 3.0 too, as long as get
CPU support PCI-E Gen 3.0 . Plus support Intel RST if need some speed
boosting for SSD caching with the mechanical HDD's.
Link: http://www.newegg.com/Product/Product.aspx?Item=N82E16813138344
Tigerdirect = $130+shipping
Amazon = $99+shipping
Pricegrabber = $124 + shipping