>
> You miss my point. I understand that technically the services are
> delivered
> in a different way, and as a result they can scale to different
> capacities.
> Sky's service is limited, and will have to remain limited. However, it's
> exactly the same service (albeit with limited choice) as Virgin's
> service --
> you can watch what you want (from a selection of available programmes),
> when you want.
>

Limited choice is the crux. You could argue that the normal service is VOD
if you accept your choice is limited to what they want to broadcasts at the
time they chose!