Your build looks solid. The only thing, drop the 2TB WD Black. Your better off getting a single TB Samsung F3 1TB, you wouldn't even notice the difference since they're both HDDs. At boot they'd only separate by 1 second. I say go with a Samsung F3 1TB (60$) that would leave you with 110$ to get an SSD. Which Would give you WAY better boots.
Cheaper PSU, same performance/efficiency. Both are made by Seasonic.http://www.newegg.com/Product/Product.aspx?Item=N82E16817207003&Tpk=XFX%20750