incadea.Navision Engine

Is there any colleague out there using the incadea.navision ERP system? Am in the motor industry and looking at the options of a troublefree system for our organisation. All i want is someone who has had handon experience with this system to point out its strong points and weakness. Also if u know any other ERP Solution out there for the motor Industry, please feel free to chip in. Scala? Automaster?