If you contact the Fastrack office at 800-520-2325, you can speak to a rep or the sales reps can put you in touch with clients who make themselves available to answer questions for potential clients.
Also, there is a client who has started a forum:
fastrack.unofficialuserforum.com This is a forum dedicated to current Fastrack users to share information, tools, tips in utilizing numerous different areas of the system.
Hope this helps!