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The cameras will turn out really good jpegs, as in acceptable to all but very fussy users. Sony invested very heavily in signal processing of jpegs for this reason - so differential noise reduction etc. will win over a lot of casual shooters. a7r worked RAWs will be amazing, of course, Adobe already has a beta release out.
A lot of people are moving up to full frame with the a7 series, and a lot more are going to use lenses, either FE or adapter mounted, with exquisite bokeh. Zeiss already have signalled this aspect in the RX1 and Otus, and of course their famous cine lenses.
I expect, and hope for, much more *cinematic images* from now on. You see rather dry formal comments about DoF 'control' etc. but, along with relaxed and detailed drawing, this is the quality that truly separates full frame from the smaller formats - excluding telephoto images which flatten depth, you cannot get the combination of great in-plane sharpness and flowing OOF any other (affordable) way. Even APS-C needs the in-focus subject to be so close it could bite you..
People turn this argument around and rightly argue that 35mm needs a lot of stop down work to attain deep DOF - yes, which is why the EVF and high ISO performance will be so important - to tailor your own results before taking the shot. The a7r is every bit as good as the RX1 at a true ISO 9000, at which point both are as good as the OM-D EM-1 is at a true ISO 3000.