Thanks for the input. Sorry, I should have spelled this out in my original post; the reason for the dual 2TB hard drives is I am setting up a RAID1 for redundancy for my data. I've got too many pics and movies of the kidos to trust to one hard drive. I have a cloud backup solution, but I don't upload as often as I should.
Not sure what happened with the power supply, for some reason it did not save on my last go around with pc part picker. Please see updated version below: