ide go i5
check out this base build "second one" on maqximumpc guide
its alittle over 1000....so ide just hold off on one of the other parts till i had the money....but atleast ide be on a z87 socket build
http://www.maximumpc.com/build_pc_recommended_builds_december_2013
the most important is what motherboard and socket to be the best.....so you can upgrade graphic cards later