I've the cyber Monday £100 off moto x thats almost over and don't know whether or not to go ahead with it.I am currently on a nexus 4, happy enough with it except battery life, and had hoped to upgrade to another nexus in a 2 year cycle but the nexus 6 is far too big for my uses. I'm just unsure about the battery and also would it be better to hold off for 64 bit chip set? Also if yes plastic or leather back?