I do just fine with one in my living room with a pull-up screen. Nothing is wall mounted, nothing is permanently installed. The setup can easily be packed up and moved should we move.
I regret selling my Oppo DVD player when I got my Oppo BD player. There was nothing wrong with it, and although I rarely used it, it wouldn't have been a bad idea to keep it around as a backup.
I still have my first BD player, which was a Sony from 2008. It's not hooked up anymore, but I keep...