First Sony A7m2 displayed in Tokyo store. A7m2 on Sony Europe and Australia (no preorder).

Preorders:
Sony Alpha a7II  (Body Only) for $1,698 at Amazon (Click here), BHphoto (Click here), Adorama (Click here), SonyStore (Click here).
Sony Alpha a7II  with FE 28-70mm OSS Lens for $1,998 at Amazon (Click here), BHphoto (Click here), Adorama (Click here), SonyStore (Click here).
Sony 70-300mm f/4.5-5.6 G SSM II Lens for $1,148 at BHphoto (Click here).

The very first Sony A7m2 has been spotted in a Tokyo store.

The Sony A7m2 launch news is now reported on Sony Germany, Sony UK, Sony Italy, Sony France, Sony Australia. But you still cannot preorder it. I will inform you when those will be available next week (around November 27). The camera will ship in January in North America and Europe.