Like Karaya said, be aware there is a new Intel Platform/CPU coming out soon, as in the next 2 quarters or so. If you can hold off, I would wait and see how the bang/$ is with those. They aren't going to be using the 2011/x79 apparently, so people who built new systems in the last few months like me are going to be SOL, if they decide to push the "high end" cpu's into the new platform. Of course, this is all rumor until they announce it officially, but it's reliable rumor from all the top hardware sites.
Now that said, you've already figured out on your own that the 3570k will be a far better bang/$ than any AMD system you can currently build, particularly if you overclock it (almost a must with the 3570 in order to exploit said band for buck). Get yourself a decent quality MB, the 3570, a 7970 or a nvidia 670 card for around 400$, and stick with your 2TB and 240SSD plan, and you'll be good to go for most every game out there for quite a little while. All that, and have plenty of that 2100$ left over. I know MACE who flies FSO with the Golden Gryphons fairly recently posted about his 3570 build, you can search for that here if you want more info about that CPU and platform. Just make sure you get the "k" CPU is all. Oh ya, the RAM you mentioned in the OP is way overkill for this type of platform/cpu. I'm not saying don't get 32 gigs, just that you can easily get by with 16, but the 2133 mhz stuff is far overkill and overprice for this type of build IMO. Get some decent corsair memory, it shouldn't cost you much more than 100$ or so for the 16 gig, and maybe 180 or 200 for 32, but don't bother with the 2133 stuff. I built a 3930 system a couple months ago with the most expensive MB you can get and didn't get the 2133 ram, and it still overclocks to 4.6 easily with decent cooling. I guess that's my last point. Buy a really good cooler, I'm not super crazy about the corsair liquid ones, but you can get one that will work great with the 3570 for about 120$ or less, or a really good air cooler for 75 or less. Don't skimp out on the cooling, as you'll need it in order to o/c that little 3570 to where it shines. The previous poster's advice about PSU would be wise to listen to as well.
edit:
http://www.guru3d.com/news_story/8_core_sandybridge_e_and_6_12_core_ivybridge_e_in_2013.htmlThey are back to saying that the new Ivy Bridge E 8 core CPU's WILL in fact support the x79 socket 2011 platform. This makes me very happy in the pants if true, as I built a couple of 3820's for family specifically because we planned to upgrade them to these new I7 4xxx chips. So, as I said, consider this if you plan on building soon, if you can hold on just a little bit, going with the x79 platform and one of these new 8 cores MAY be a better bang/$ solution. We'll just have to wait and see.
