What part of the country are you two in now? We are in Indio, Ca, traveling south and east. If we happen to cross paths at some point, we could do a brake test drive to give you some idea of the difference.
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When I bought my 2006 Alpine Coach in early 2006, I prepared a very detailed checklist for ensuring that all systems worked properly and the coach was built properly before I took possession. If you would like to have a copy of this check list, send me your email address so that I can reply with this attachment.