Differences between cst mws 5 and cst mws 2006b?

what is the differences between the cst mws 5 and cst mws2006b?

well 2006B is the latest version of cst MWS . and lot of new features have been added as well as improvements have been to the features in version 5.
i hope this answers your question. i dont know if your are asking for any specific feature.
regards

Hi
I think there is not essential differences btw. two versions... except CST2006 is a full package.