I just got a brilliant deal from VM's 'retentions'. (I called them!) Speed tripled to 30mb (and that's it. It won't go to 60 but I'm happy with that!)
and a price-drop of about £3 per month. Nice

(I didn't ask but I assume the upload speed will triple to 3mb as well.)
Plus they also fully re-itemised my bill; though thinking about it she may have meant just phone calls rather than for all services. Won't be able to confirm that until the next bill arrives.
SuperHub arrives on Wed AM
ETA:
Oh yes, I did have to start a new contract, but who cares!