I agree, but bought one anyway =P
Your power supply won't be straining to handle the load that's for sure, it will be on vacation in the Bahamas sipping those little umbrella drinks!
Additionally you have fully covered your next hardware upgrade with it.
As one running dual power supplies totaling 2,250w, I give you my Ryan overkill award!
It's always better to have more than you need, than not enough!