Well if Tizen isn't coming to the US soon and Ubuntu Touch phones are delayed till 2015, a nice duel boot Android and Firefox OS phone might be the way to go.
Firefox OS sort of worries me as being both too beta and too light weight to be my only phone OS, but in a duel boot, I could live with it.
http://www.technobuffalo.com/2014/01/16/geeksphones-dual-os-android-firefox-smartphone-leaks-online/