I find the high ISO jpegs from my A7R ok, but it would be a waste of resources not to work with RAW here, IMO.
Even the RAW results are different, from different converters.
PhotoNinja has the best noise suppression, sometimes I prefer this to LR5. Capture One has been my favourite until now, but I have so much crashes with the newest version that I use LR5 most often.
With optimal postprocessing, the FE 24-70 could be really good enough for 80% of my needs, surely for travel, but perhaps also for landscape when biking etc
Carsten