I am thinking about buying a ProStar 205...
This post details the ProStar 205 and early X Star changes from year to year so you can zero in on which model year you would like to search for in order to get the features you want.
Pro Star 205 Changes By Year
If that link, for some reason doesn't work. Here is the .pdf.
Sorry for the edit, Bill. I just didn't want it to get archived and eventually lost. /ETS