A 16’ bath model will be a good fit for your Odyssey, but probably not any larger. You may want to add an an auxiliary transmission fluid cooler along with your other towing set-up.
“Healthy interest,” along with healthy prices, describes the current COVID-driven RV market. It’s a seller’s market. It may take some patient searching to land one. The best deals often sell within a few hours after listing. The New England region typically does not see many units for sale
. The larger your search radius the better.
Best wishes in your search!