Haha, I thought your signature had their ages and I was SO confused.
I think you'll be able to do POR until your youngest is about 10. I've heard the Murphy pull-out is for a child. You'll have a few years before you'll need to go to a suite.
Your other option is a Deluxe Room with a sofabed. The Contemporary sofabed is like a twin bed, I haven't stayed in any of the other regular rooms. The only other Deluxe Room we've stayed in was at Yacht Club and we had a one room suite with a seating area and a Murphy Bed and wet bar. That was nice!
I think a cabin at Fort Wilderness comes out close in price to a value suite and is a wonderful place for boys to have fun, too. Discounts there are currently at 25%.