We've a 96 Cardinal Clubman, I think the 97 has the toilet inside; we were talking to a salesman from camperlands (I think) on the conway/pennine stand at the NEC last October. When talking to him he was glad that our (potential) part ex (we did'nt go ahead with a deal) cardinal didn't have a toilet; when Conway added the toilet to the later models it was on the same length floor plan, thus making hte interior very cramped! Consequently, it was his experience was that it was easier to sell a cardinal without a toilet that one with...
When you find one, you should also check you are OK moving it about - its over 1000kg fully laiden. My OH started with back problems a 2 years ago and we found it really diffiicult to move, so much so we had a mover fitted.