
Aria Classic or Deluxe II
Aqua-Magic V (with hand or foot flush)
Agua-Magic Style II or Style Plus
Bravura
Several of these are porcelain toilets, and notably high-end on the price list, but the Bravura is a more modest model both in terms of construction and price, we found for close to $150 by shopping around on the web. We personally have experience with this model, having installed one in our fifth-wheel a few years ago. It proved to be a good sit for our rig, and a good fit for--well, anyway.
You can download a rebate coupon at www.thetford.com.