Are you sure on the date on the doubling websie, mine in SA2 is August 2013
I work for VirginMedia but if I am posting from this login then it is in my own time from my own PC and my postings on this site don't necessarily represent Virgin Media's positions, strategies or opinions
Due to Data Protection I cannot confirm if your package is eligible for a free upgrade to 60mb. You will have to give customer services a ring on 150 or 0845 454 1111 to clear DPA and they can advise you further.
Sorry I can't be any more help. If you have any other questions give us a post.