My husband and I were in the habit of always eating in front of the TV on the couch, maybe once a month I'd clear off the kitchen table. Now that we have a little one, our habits have changed. I want him to grow up knowing meal time is family time at the table away from the TV. So now that his high chair is in the kitchen, we probably eat all together for dinner 3-4 times a week. The other times my husband works, or the baby is on a different schedule, so sometimes I'll still eat on the couch if it's J. M. eating. I'm sure as our son gets older it will get harder! And I hate the layout of our townhouse, the kitchen table is right when you walk in, so it's away from everything and kind of drafty. But, oh well! Better than on the couch.
I would suggest J. turning the TV off, if that's your only table to sit at. J. clear off the coffee table, and make it a "dinner table" - no harm in that. But we ALL eat in front of the TV from time to time. ;-)