http://pcpartpicker.com/p/fWyVTW
Should I do this build and get a 970 in about 6 months, so I use integrated graphics for a while or:
http://pcpartpicker.com/p/zdJVTW
use this and maybe buy i5 in 6 months or so.
I'm currently on an i3 and I can run arma 2 with 40 fps on ultra low which has intel...