Not much i can add to that. Although its not exactly what i would get, your choices can easily be justified. Regardless, it is barely different from what i would get. You're good to go, in my opinion at least.
Might need another PSU if you're planning to crossfire later, and I believe a couple of people suggested Caviar black instead for the HDD in other posts. Other than that I think you're good to go.
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