I've actually been muddling around with this one myself. We despise our U-shaped dinette. The cushions don't stay on the bench well, now that the kids are older it really only seats 3 instead of our 5, etc. The open space and flexibility of our table and chairs would be a real advantage. For us, however, it's not only interior but exterior storage that would be lost. Our hoses, power cables and levelers are all stored under that bench. I simply can't afford to lose that space, so we're staying with what we've got.
That said, in a larger 5th wheel with more available storage, I'd opt for the table and chairs over the bench in a heartbeat!
