As expected the launch of the Galaxy S3 last week has caused the price of the S2, the Galaxy Nexus and the Galaxy Note to fall down significantly. Carphone Warehouse has a web exclusive offer for the Galaxy Note for £20.50 a month on a two year contract with 300 minutes, unlimited texts and 250MB internet on Vodafone. A total cost of ownership of £492 is slightly more than what you'd pay for the phone (or phablet) on its own.  Hardware wise, it comes...