For a water cooler go with the corsair H110 or if that's too expensive the H50 is fine too.
Here is a list of great motherboards that should work with your build.
http://pcpartpicker.com/products/motherboard/#L=4&l=2,3&m=8&s=28&sort=a8&page=1&f=2&u=1&N=8,16&E=1,3