It Might be Time to Switch

The All New Sony A7

Up until now, I've been an avid Micro Four Thirds user. I've owned both Panasonic and Olympus bodies, and currently shoot with the amazing OMD-EM5. That might be about to change. I recently sold my old Canon gear and think I might use the earnings to spring for the full frame goodness of the Sony A7 over the new EM1.

What are peoples' thoughts on this new breed of Sony camera? I understand there aren't many native lenses at the moment, but it sounds like the ease of mounting third party glass (with full auto-focus) via adapter seems to make this a bit of a minor annoyance that can be managed until Sony builds up the ecosystem a bit.

I'm interested to hear what people think. Also, A7 or A7r?