I completely agree. The NEX system has so much potential that its failings are infuriating. I have to admit, I use touch focus almost never. It seems like a feature that I would use, but for some reason, I never reach for it. And with my video work, focus peaking is something I would love.
But with my new investment into Sony's FF and APS-C SLR system, including NEX in the future would be easy.
I assume that you would be buying a D600? If you buy, make sure to buy the 14-24mm. I don't describe many lenses as masterpieces, but that is.
I have just turned a corner, after coming from Pentax DSLRs, and via Nex-5N (which is excellent with its non-OIS lenses, like the the Zeiss 1.6/34 or the Sigma 30).
I got into Nikons via the V1 (which I gave to the wife, who opted for the OM-D instead) to which I got a few normal Nikon lenses, new and very old, which naturally led to a APS-C Nikon, so I got myself a D3200, and yesterday, a D600.
I am still amazed, and not a little stunned. A very old Nikon 400/5.6 today proved to be very, very sharp, when I tried it on the D600 (much better than a similar Pentax K 400, of similar vintage, when used on a K-5).
Today my wife gave me a Sanyang 1.4/24 for my D600, what a lens!