Are you happy with it? What deal have you got? Do you feel you're tied to a long contract, costing your loads of lolly?
How much does 500MB data a month get you? Some deals are offering 1GB data. Is that too much?
Money saving expert recommends the 12 month Tesco deal: http://www.swfc.co.uk/page/News/0,,10304~2196907,00.html
Anyone with Tesco Mobile? Are they any good?