I can't say about the new coaches, but we replaced the pretty-but-uncomfortable dinette in our 2008 2350 with a reclining couch, and it was by far the best upgrade we've done, beyond replacing the factory mattress with a real 8 inch mattress.
Yes, the footrests get in the way, but they're easy to retract. A portable ottoman would be much worse. The removable side-mounted TV trays are essential, since we gave up the dinette for a comfortable place to watch TV. And ours has a fold-down arm in the middle, which reveals cup holders and a electrical plug with USB charging ports. By the way, we also removed the barrel chair, which was just in the way. And we mounted the TV on an extendable mount, to improve the viewing angle.
My only regret is that we couldn't find a couch this useful that was as high in quality as the typical Phoenix furniture. The padding is a little thin and the fake leather looks pretty fake. But we only use our coach a few weeks a year, so it'll do. If I were Phoenix, I would study the Shop4Seats "Deleon", and figure out how to offer something even nicer for Phoenix customers. If they figured out some way to convert it into a guest bed for the grandkids, I'd be tempted to swap mine for the factory model.