I've looked through all the questions for this problem, but I still don't know which to get. I am choosing from a GTX 780 ti from this store but I have no idea which one to get or why the prices are so different.
http://www.microcenter.com/search/search_results.aspx?Ntt=780+ti
http://www.microcenter.com/search/search_results.aspx?Ntt=780+ti