Excellent build, but the overall price is a bit high? I do see your having to get EVERYTHING (mouse, keyboard, OS, monitor) so I understand it costing more than a normal build. Also you do realize that you have to build all that yourself (where is your thermal paste for example???) and IF you mess up (easy mistake bending pins on the Mobo while putting in the CPU / Watercooling) you have to fork over to REPURCHASE the parts broken. They won't replace parts you break, just to let you know.
Here is mine I did;
http://pcpartpicker.com/p/WRWDCJ
Note I had the drives already, I did have to upgrade the PSU not due to the HDDs but the 970 draws alot of power. I would recommend nothing less then 650W if you plan to get a 970. A XEON is a i7 without graphics built in, so as you can see for $500 less than your build I am on a Quad drive system with a much better CPU.
I would suggest you might want to double check on the pricing and such, you don't have to spend $2K to have a ultra system, much less a 'beginner'.