Okay, well a few things.
- H100 is a waste of money IMO. Performance is matched by high-end air coolers such as the NH-D14, Silver Arrow, and Phanteks.
- I'm assuming these are Skyrim mods? How many monitors exactly are you using? You shouldn't go over a max of 2.5gb of VRAM even after heavy modding.
- You won't need 16gb of RAM. 8gb is already plenty even. Also, the ram you chose is quad-channel and the motherboard is only dual. Might get some issues there. Not to mention, it has unnecessarily tall heat spreaders that would conflict with the CPU cooler.
- P8Z77-V PRO is fair. Feature-wise it's base the same as the cheaper ASRock z77 Extreme6 where the latter actually has a few more features than the former, save the onboard wifi card but you can buy a discrete one for like ~$12 and place it in one of the PCI slots.
- The Rosewill 1000w is a bit overkill for your system; not to mention it's not that great. Its x4 +12v rails is just for marketing and all 4 sums up to only 900w(75A) so that's actually what you'ere paying for, 750-850w should be more than plenty even with SLI/Crossfire.
- The 7970/GHz outperforms the 670(and even the 680) in almost everything. It has 3gb of VRAM which really should be more than enough so it's really a much better buy, but if you feel more comfortable with 4gb, I won't stop you.
- I would get a 120Hz refresh rate TN monitor instead of that IPS. It would increase your fps cap without tearing to 120 and you'll see it's gives more fluidity.
http://pcpartpicker.com/p/n6IL
An alternative to the keyboard is
http://www.newegg.com/Product/Product.aspx?Item=N82E16823129008&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-Keyboards-_-Cooler%20Master-_-23129008&AID=10440897&PID=3938566&SID=
Again, you can swap the GPU to a 4gb 670 if you really have to. Alternately, if you wish to stick with the 7970 GHz and you want to go cheaper, you can get the XFX brand. But really, you can't go wrong with Vapor-X; it's also very quiet. They're also pretty much the same price before rebates.
You're already getting $200 speakers... if you're getting any more expensive than that it would be best to just get it now.