We cancelled the streaming because we have enough kids shows at the house and the streaming selection of movies was just the pits unless you liked old or B movies.
Streaming won't be a threat to DVDs until they can get the exact same titles on the same release dates. At this rate that's going to be a long time.
Even Netflix themselves state that 60% of their streaming are TV shows where as only 18% of their DVD rentals are TV shows. There in lies the fact that people are mainly using DVD for new releases and the streaming just to fill in the gaps.
Plus, how's that ISP cap going to work out streaming 1080p/24 with full DTS?