In the case when you represent mid-size or mid-size-to-large business, it is not a surprise that you have to do ERP selection and switch to new technologies, doing your own research. If you a trying to stay with Microsoft technologies and try Microsoft Business Solutions products: Microsoft Great Plains, Microsoft Navision, Solomon, Axapta with integration to Microsoft CRM, you should know the history of Great Plains Software and Navision partners over the last 10 years.