Anybody using one? Opinions?

Went and looked yesterday as my S4 had met its demise earlier in the day. It seems large and awkward to hold and text or make a call with one hand. 

 I used an otterbox with my s4 and carried it in my rear pocket most of the time. I think I would like a phone that doesn't need a case and is rugged enough to be dropped etc. I was thinking of going to a tablet and a flip phone.

I'm interested in hearing what works for others.  TIA