Use reseller ratings to verify a store. You can google the store "best price cameras reseller ratings" and find this out http://www.resellerratings.com/store/Best_Price_Cameras_6
Good places to purchase are
Adorama, BH photo video, Amazon (Many places sell through them and Amazon is good about taking care of the customer), Beach Camera, along with a bunch of others, even Costco. If the price is too good to be true...then it is!