I wouldn't mind getting another NEX 7. Save me from swapping lenses and gear from macro to birds all the time. Be very happy with another NEX-7, but I don't think the wife would be.....would you opt for a Fuji X1-pro, Panasonic X1, an Olympus OMD or wait for a new Sony 7N?
Danny.
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m4/3 macro
http://www.macrophotos.com/g2macro
m4/3 feathered flying gadgets
http://www.macrophotos.com/avian/avian.html
Worry about the image that comes out of the box, rather than the box itself.