Judging by that motherboard, you arent doing much for overclocking, so I suggest getting rid of that XMS memory, and getting some ValueRAM from Kingston, Corsair, etc. ValueRAM performs equally to expensive RAM unless you are overclocking, and it is a heck of a lot cheaper. Have a look at my guide on RAM for some more info.
The 4ms LCD is a little excessive. If you went to 8ms, you would not likely notice a difference in perfomance, but will surely notice a price differnce.
Since you are getting an SLi mobo, you could get 2x 7800GTs if you save money by following my previous suggestions