Winnebago, Schwintek In-Wall Slide-Out system - Problems ??

I'll soon be in the market and we prefer the full wall set-up but I absolutely will not purchase any coach that uses Schwintek,Wife gets very stressed when the coach is broke. Now that they have purchased PowerGear there may not be many options for a rack and pinion system like I presently have. May just need to go to a bit higher end model to get what I want.