The retailer hopes to cash in on cheap iPhones -- assuming shoppers don't mind buying them used. To sell re-furbished 8GB iPhones for $149 and 16GB models for $249; got to sign on the dotted line for a two-year contract with AT&T, of course. New iPhones go for $199 and $299 at Best Buy. Get the full story here at InternetNews.com.