Well they are 2 completely different floor plans, so I think it really comes down to which one you like better and works for you. The Rockwood looks like it's got a lot more sitting/living room area and a bigger bedroom, but its one heck of a big trailer at almost 33 feet, I'm sure your 2500 Ram wont have a problem.
The Outback looks nice and is newer and their quality is quite good, but so is Rockwood.
I would also consider how many people it needs to sleep on a regular basis, there isn't much room for other family members unless it's just 2 of you, in which case both should offer enough room with the Rockwood having the most room.
2011 Kodiak 240KSSL
Husky Center Line WDH
2014 Dodge Ram 1500 4x4 Outdoorsman 3:92,8-speed,5.7L HEMI
2007 Kodiak 214 HTT (prior)
2010 Dodge RAM 1500 4x4, 3:55, 5.7L (prior)