Hoping to read the New York Post on an e-reader anytime soon? Then your choices just got quite a bit more limited, as the newspaper has signed a deal that will see Sony offer the only version of the paper for digital reading devices. Joining it are various exclusive offerings from Dow Jones & Company, including The Wall Street Journal and MarketWatch, which won't be completely exclusive to Sony readers, but will be available in special editions only available on Sony readers -- that includes The Wall Street Journal PLUS, a digital edition of the morning paper that also features an update of the day
