eBay USA top rated seller Electronics Valley has a great deal back for grey market Sony a6000 kit. This is currently lowest price online.
New Sony Alpha a6000 w/ 16-50mm lens (Silver or White) – $549.00 – at Electronics Valley via eBay.com
Regular price for Sony a6000 w/ 16-50mm lens kit is $698 at most US stores.
Electronics Valley is a reputable unauthorized dealer with 99.5% positive feedback on eBay. There is no difference between US model and import model. You will get 1-year USA warranty from Seller.