So far, Sony A7R II is out of stock in most US stores. BestBuy (98.6% Positive feedback) is the only US store having Sony A7R II in stock for $3199.99! It is brand new with 1 year US warranty.
Sony a7R II Mirrorless Camera – $3,199.99 – In Stock BestBuy at eBay
More pre-order & buy links at Amazon| Adorama| eBay.