Definitely take out the darn wall. Just getting in the way of Audio nirvana.

Thanx cool read. Always fun to experiment with different room ratios. Although most are similar, and considering the golden ratio was created in ancient Greece. A different outlook makes minimum room revamp and sometime great results.

For the WAF it's best to have kids around. Play their movies etc. If you get them engaged enough and exited that they're feeling it. Should be enough for the wife to say sure. take up the room.

My kids friends and my siblings never want to leave once they've said. It's better than a theater minus the 3D