Brian - I recommend that you get with Beck's before you get to far in your design. You maybe doing allot of work on a design that may need to be changed to do chassis limitations or other circumstances.(Believe me I have been there and done that)
Doug - They absolutely will do a conversion from start to finish. And your right financing is much easier when your dealing with a new truck & conversion.
2003 28' Show Hauler Motorhome on a 1995 FL 120 completely refurbished chassis. Currently in production - scheduled completion 1/10/03 www.showhauler.com