I realize your question involves weight, however the difference in towing is significant in my experience. However, we like to go on long trips, and we're on the interstates a lot. I prefer towing a fifth wheel, and I've towed both TT, and fiver cr...
We've considered them as well, we even toured the factory. I agree they have a lot of nice features, but not much CCC. Also, I was not impressed with their facility at all, but I've been in manufacturing engineering for 30 years.