30" used to be massive too, but TVs has steadily gotten bigger and now 30" seems absurdly small. TVs used to fit in 25" holes in entertainment centers, then in small nooks in walls and corners. They will continue to take up larger portions of walls and people will adapt to accommodate them. I'm sure there's a limit at some point, but I have a 160" (~13 feet) screen and have found room for it in every apartment and house that I've lived in (which is half a dozen or so).