We told you you could shave down your old and busted SIM cards and turn them into minty fresh Micro SIMs, didn't we? An industrious Londoner by the name of John Benson has gone and proven that concept with the help of some cutting implements and an original Micro SIM to use as a reference. His saintly patience resulted in his being able to negotiate the Vodafone SIM you see above into his iPad 3G (imported from the USA) a