I heard that the i5 3470 could be overclocked to 4 bins higher than the max turbo clock. so 4.0ghz and maybe try pusihing more using Bclk.
I am hoping for this build to last till around skymont/skylake.
I live about 20min from NCIX so they are my preferred vendor (no need for shipping).
I would grab a FX6300 and then grab steamroller but I am not the type to upgrade later on.