When you weigh your truck, you can use this tool for estimating it's carrying capacity:
http://www.towingplanner.com/Calculators/TowingScaledWeightsAnd, you can use this other tool to get a feel for what "real world" pin weights may be:
http://www.towingplanner.com/Estimators/TonguePinWeightFromDryThat said- as for campers, I like the Rockwood because there are chairs facing the TV (even if it's a pretty healthy distance). Looks like neither lets you get to the fridge with the slides in. Both let you get to the bathroom and bedroom (via the bathroom) with the slides in.