CarMD.com has announced its CarMD Handheld Tester and Mac/PC Software System is now available for Appleís latest Mac OS X 10.6 Snow Leopard operating system. The package works as an automotive diagnostic tool that links a vehicleís on-board computer to a Mac, helping users obtain diagnostic information which is utilized to estimate repair costs. Support is said to be offered for all cars, SUVs and minivans manufactured in the U.S from the year 1996 to the present date.