By the chart, it looks like this: F-150 SuperCab 5.4L V-8 9,500/9,300 15,300, so 8550 unless we do mountains then it'd drop to 7600? If so, I think we'll be safe as most the ones we've looked at so far haven't been over 5000.
As for a floor plan, I think we've decided on a bedroom with a queen...