Hi, I'm getting a iphone 4. think i'm going for vodafone pay as you talk. Its all a bit of a mind field - i've been on pay as you talk for years with an old nokia phone and have been topping up £10 per month and getting their freedom pack which is 100 mins and 300 texts which is fine for my requirements at the minute but would like advice on how much i should need to top up when i get the iphone bearing in mind the data, internet stuff i'll be using. Any advice greatly appreciated. Thanks