Exists a car recharger for MBP ? I've found this on Apple store, but i'm not sure it can be used with mbpro. 70W i'm not sure about this watt ... any clue ? http://store.apple.com/Apple/WebObjects/italystore.woa/wa/RSLID?mco=6C04E07A&nplm=TD147 seems also not have megsafe adapter, isn't it ? any other models suggestions ?