We will likely get a coach (our 3rd) in the next few years. My new bride Megan is mainly interested in newer coaches. I would be quite happy with a 2001 (new dash and improved AC distribution). She is more interested in 2005 to 2012 or more. <br/>So for the Nimbus and Phenix, when did the important changes occur - examples: active air, newer chassis, IFS, sealed windows,...