The Medical Records Institute (
The site includes Excel spreadsheet comparisons, sorted by practice size, cost and functionalities. The site also offers demonstration videos for each vendor. The content here is provided by the vendors, and is not independently evaluated. The value lies in the organization and presentation of key information on competing resources.
EMR Compare is a very good place to start your research on physician EHR systems. The Medical Group Management Association (MGMA) also has resources, and I urge you to not only join but to use their excellent Resource Center