Unfortunately, this deal is no longer valid
Posted 7th May
I recently had a look at my Virgin Mobile account to see if I was getting the best deal available. Did the usual of phoning up etc. Not much luck - however..
I went to the manage add-one section I was able to add a free (£0.00) lifetime triple data add-on.
This seems to combine with your usual data allowance to roll over. e.g. I had a 20GB package tripled to 60GB + 20GB roll over. So I now have (up to) 80GB of data per month, on a one month rolling contract.
Its its worth having a check at least, it might work for some of you and is pretty much zero effort.