Physical vs Digital storage

Recently, a piece featured Virgin Media will be implementing significant upgrade in speed for broadband consumers (50mb), estimating HD downloads within Xbox Live to decrease from 4
hours in a matter of 15mins.

Having this speed available for consumers, utilizing Microsoft's online service for movie rentals and purchases seem to get more tempting. Rather than go to the local retail shop and purchase a Blu-ray movie, that is - assuming if you have a PS3 or a blu-ray player, wouldn't you rather stay home and simply download the film?