Thanks for the reply YellowDog... I will have to get back with you and see if I can decipher everything that my S250 has.. as I went ahead and bought the one that I am questioning.... Anybody else have anything to add? The dealer told me that this one has standard flow and variable flow.. I will let you know what all I have...Hey Blyth, in others want to see this too. this is what my machines had: AC and heat power bobtach suspension seat highflow noise reduction bucket leveling deluxe instrument panel with keyless am i leaving something out?