These boards were supposed to be due out in November... Glad to see they are finally being released, despite being at least a month delayed.
That price is a joke though. mATX boards rarely go over $100.
Try ATACOM. They have it for $99 before shipping, etc. and it may be in stock. I have never ordered from them (and probably never will) but Monarch is probably raping you on the pre-order, so prices may fall when they are released elsewhere.