I do occasionally watch stuff streamed online - maybe 2 programmes a week. The small screen doesn't bother me, and the quality's fine for my needs; I don't really need HDTV to watch Dead Like Me or Dr Who (the main reason we watch that online ios because we're never in when it's on, and don't have any recording stuff for the TV).
I do actually have a TV with a Freeview box, but the remote has disappeared somewhere, and the TV doesn't work properly without it. We've turned the flat upside-down looking for it. I even bought a universal remote control, but no go. So now it just sits there taking up space. I suppose I'll have to get rid of it, but it would be better for watching DVDs on if only we could find the bloody remote, and we'd have to get rid of the Freeview box, DVD player, VCR and PS2 as well. Sure, we can't use any of them, but it feels like a waste of money anyway!
Having said that, in the brief periods that I had a working TV, I watched maybe 3 hours of TV a week, if that. I've always had a couple of shows I like, but have never got into just having the TV on. Which is funny, because when I was a kid the TV was literally never ever turned off, even at night.