the place you are price matching to has to be a fully authorised internet dealer for the product. they wont match ebay or any sites that are not authorised to sell the products with warranty.
As was said....you can try a pricematch with about any retailer (ebay, unauthorized, etc).....but chances of them pricematching any unauthorized source are slim to none. Though I have heard some people have got them to pricematch an IDMax with CarMedia1, and unauthorized dealer.......so, you never know.