This is not so much a question. It is more the summary of a newbie's uncertain frame of mind. My brain has reached this point after seemingly endless research into the whys, and why nots, of class b...
Another option: Buy a pre-owned unit, thus avoiding the expense and depreciation of a new one, and test it out for a year. At the end of the year, sell and buy another for comparison sake. Use it for a year then sell.
By the end of the second year, not only will you have not wasted valuable travel time, you'll also know exactly what you want and can go out and buy a brand spanking new unit.