Thank you all for the informative replies. I must say, it's getting harder and harder after looking at it.
I've made some new comparisons between a list of phones around the $275-310 mark with your advice included.
And it's so hard to decide right now.
I've got the following lined up that have pretty much everything equal:
-Asus Zenfone 2 This one has 4gb ram which is an amazing thing at this price on paper and Dualsim might be handy (work) ($310)
-Sony Xperia Z2 This...