Well since you asked for it, I love to criticize...
My thoughts are that you have a $2000-2400 budget, but are building a $1400 quality build by cutting a few corners, assuming the current list.
I run 30" displays, and have tested a lot of graphics cards at this resolution. I've also built a handful of Sandy Bridge rigs lately with different spins, so here is my addition to what the other guys said:
1) I wouldn't start out with a dual GPU setup. Get the best single GPU to start with, but leave a slot open, try the games you will play before buying a second card. The aforementioned 6950 is a good card, I had one for a while on my 30" and it will run most games at 2560x1600 without the second card, unless you just want to get really high frames. I switched back to nvdia with a GTX 570 just because ATI drivers and utilities were a bit rough around the edges, but both cards are very similar. I can run BF3, Crysis or Crysis II at full resolution, by dialing anti-aliasing down just a notch. But before I'd start with 2 x 6950s, I'd rather begin with a single faster card. Personally, I prefer the 570 for value, but with the room in your budget, I'd start with a GTX 580. NOTE: One downside to Radeon cards. They cannot do 2 x Dual-link DVI. If you ever get a second 30", you need to get a newer one with Display Port. Not a problem, but for me, I already own two DVI displays.
2) Regarding your cooler - No need to overspend on it. Most people don't know, but the majority of chips will run just fine with a Cooler Master 212+ EVO at $34.I have one running a good 2600K on air at 5Ghz under load. Your chip will vary, but you may luck up, and even if not, the Noctua is only going to give you a 100-200Mhz advantage at high overclocks. No big deal with your budget, but I'd move that $30 into GPU, CPU or SSD. For 4.6Ghz, all you need is the EVO.
3) Case is nice, but don't forget to take a look at the HAF line. Drop by Microcenter and put your eyes and hands on them. I thought I liked the Storm line, but when I saw them in person, I decided the HAF cases looked better. Even the little brother HAF 912 at $50-$60 looks like a $100 case from the outside. None of the CM Storm cases holds a candle to the Corsair cases. Check out the 400R, 500R, 600T and 650D. I love to work with them.
4) Agree with lehtv, stay away from OCZ power supplies, I've heard bad things. Corsair and Seasonic are the only ones I'd look at with your budget.
5) SSD - Intel, Kingston and Samsung came up as the lowest failure / return rate in a study done earlier this year by some company analyzing an online retailer's database. No need to look at any other brands, in my opinion.
6) Would go with 2 x 4GB RAM rather than 4 x 2 GB. Using 2 sticks will give you more room later, and will also give you more options in coolers. Some coolers will not mount on many of the Sandy Bridge boards if the 1st memory slot is populated, unless you use low-profile RAM. Best option is 2 slots.