HTT comfort Size question, and newbie hazing invitation

Hi everyone,

I am looking into getting a HTT, something like a roo 17 or 183 or 19 or other brands equivalent thing. So most of the time it will be just me, the wife, and 2 year old son, but I expect about 1/4 of the time to be taking my mom (mobile daycare :B) also.

I saw a 183 in person and think it is more than adequate. So manly I am asking if you think I could get away without the 3rd bed and smaller. I want something to be comfortable until my kid is at least 10 years old.

I am looking for your input on what would be a good size since I will have no actual camping experience in them. I want something so that we will not be tripping over are self's

This will be my first time towing. So any other input you want to give would be appreciated. Haze away. :)

TV info: I have a 2013 Durango AWD V6, Tow Rating 6,200, Max. Trailer Tongue Wt. 620.

I est. on have 500lb in the SUV so (6,200-500=5,700) 80% tow rule (5,700*.8=4,560) est. no more than 1,000 lb. of stuff in HTT (4,560 -1,000=3560) So I no more than a 3,560 dry weight.

I plan on buying between 1 month from now to 6.