A weird feeling being the only ones in the park, isn't it?
We're Rockwood owners and have been happy with both, so not totally familiar with the other brands besides the large number of Jayco owners. If you're going to order rather than choosing one off the lot, strongly suggest you make sure it's a sealed underbelly and heated tanks. Since you winter camp, find every option you can to insulate.
Other strong suggestions - make sure you have at least one slide. Our HTT had more kitchen counterspace than our TT and I do miss it, so maybe an island, which would likely give you opposing slides. If you routinely stop enroute, you may want to see if bathroom and/or kitchen are accessible without opening a slide. Definitely make sure it has a cozy place for the pooch!
Good luck and happy shopping.