Too many to choose from to make a recommendation. I mean, there are thousands of motherboards to choose from, and they change weekly.
I recommend you decide what you want to use the computer for and build it to do that particular task. For instance, if you are going to be gaming, then see what specs your favorite game calls for, probably starting with the video card and then that determines what processor, amount of ram, etc will be contained in the rest of the computer.
Once you have picked out the pieces, do your research and see Windows Hardware Compatability List. Start your search HERE