We have the 19XUD
We bought a 19XUD back in April and just got back from our 4th trip in it and we love it! We are a family of 5 - myself, wife, daughter (9) and twin boys (6). It comfortably sleeps all of us and easily room for 1 or 2 more. A couple of things to note:
-I am 5'11" and the bed is just long enough for me with an inch or two to spare so anyone a couple inches taller would be touching on each end.
-The wife and I have feel asleep watching tv on the sofa when it's down as a bed, so it's definitely an option too.
-The black tank is only 9 gallons and the gray is 15, so you can fill them both very easily in a day, especially with kids if you don't keep an eye on them flushing. After the first trip, we bought a Thetford SmartTote LX (the one with 3 wheels and handle- the handle fits onto your hitch and you can tow it to the dump station) 27 gallon portable tank. The black and gray tanks are 24 gallons if both are full, so you can fill them both and them dump them both without worrying about overfilling the portable tank and having a mess on your hands. This past weekend, after emptying the gray tank, all five of us took showers and the gray tank was only 1/3 full afterwards, but it was a typical quick camp shower & no hair washing.
-There is room for a tv over the refrigerator - we were able to fit and 22" LCDTV/DVD Combo with a couple of inches to spare. I use a bunge cord to hold it in place and take it down while traveling/storing.
-This is our first camper and we chose it because of the lightweight and smaller size for towing. We tow it with a 2010 V-8 Ford Explorer, standard hitch and Curt sway bar. I have a brake controller, but have not had it installed yet as it needs additional wiring and I just haven't had time to go get it done. We have not had any problems towing or braking. I pulled it home on the expressway 1hr long trip 65mph no problem. Our longest trip has been 2.5 hours, state highways and 2-lane road with no issues.
We also wanted something that was big enough to be comfortable in, but not too comfortable that the kids would just want to sit inside all day.
Overall, it's a good starter camper in my opinion and a good option if you don't have a big truck or SUV. The size of the tanks are the only negative so far, but if you don't mind using the portable tank or bathhouses, this won't be a terrible issue. If you have any other specific questions, just ask I'll try to answer.