Floorplans
We show the 2 Prism floorplans below, the M220 first and the M230 below:

Coachmen says: "Stepping into Prism is entering a world of elegance. Coachmen designers searched the salons and design shops of Europe for the styling and appliances for this coach. The elegant Expresso walnut cabinetry and contoured countertops are gracefully curved to give the interior a sensuous, eye-appealing look. Stylish overhead cabinets provide ample storage space, and the soft-touch vinyl ceiling adds to the comfortable appearance. And, all of this luxury comes with a base manufacturer's suggested retail price of $105,000.

Coachmen paid attention to all of the details in this coach. For instance, the blinds to cover the cab windshield and windows are integrated into the window pillars. Air conditioning and heating vents are mounted in the toe panel rather than in the floor so they don't collect dirt and debris. The wooden plank linoleum flooring from Beaufloor provides a non-skid surface even when wet. Optional carpeting snaps into place and is removable for easy cleaning. Halogen lighting throughout, rather than traditional pancake lighting, enhances the coach's ambiance.

Entertaining in the Prism is easy and fun. The galley sink and range are flush-mounted with smooth glass covers, yielding extra counter space. The dual sofas in the slideroom and soft touch Euro chair offer plenty of seating, and the standard 20-inch LCD television is on a swivel arm for easy viewing. The cabover bunk can be converted to an entertainment center with the optional 26-inch LCD television, DVD player and Bose Wave® radio.

In the bathroom, an elegant glass vessel sink and modern faucet enhance the sense of grandeur of the motorhome. The curved door to the water closet continues the eye-appeal, as well as providing additional leg room."

There is a newer review of this RV
You can see it here