Opinion on the 2 Kit Lens
I use a nex6 +
16-50 when portability is needed.
18-200 (old version) when range and or quality is needed (this lens is incredibly good)
35 1.8 when quality and bokeh is important.
18-55 for me is history. Maybe a tad better than the new 16-50, but to big for the difference in size. Can't put it in my pocket, must use a bag, and then the 18-200 is my friend;-)
I miss some super wide, maybe i will add the 16 2.8 with the wide adapter.
Choices choises.... always difficult.
Sorry, didn't answer your question, i would still stay with the 16-50, for the size. IQ isn't really that much different imho.