Can anyone point me to a website or software that will help me work out which Vodafone mobile plan or mobile/ landline plan to go for to get the cheapest deal? I've sorted the last 3 months of phone bills for our 2 home offices and our mobile bills into all the various types of calls eg most frequetly called numbers from mobile and from each house but am about to give up trying to work out which is the best deal unles someone can helppppppppp ...