Get a Corsair 750w instead of the 1000w, unless you are planning to add another 4870x2 later for crossfire.
The DVD burner you chose is IDE, get a SATA instead.
That motherboard is also way overkill. Get an ASUS P6T vanilla or at the very most the P6T Deluxe V2.
If you want to save $400 or maybe get a second 4870X2 for c-fire then drop the sound card and surround sound speakers. Unless you are really in to that sort of thing then I don't see why you would need that fancy sound system.
Also I can see where some major changes could be made on that build of yours...not only would it save you some money, but it wouldn't cut down on any performance.
a few things I can see right off the get go...the psu - monitor resolution - vid card don't match up...that's just to name a few.