I personally have been very satisfied with the quality of support, be it chat, ticket or on the phone. If you need help contacting support let me know, I will help you out.
Do deploy other Fortigates to the other sites and see about getting some training on Fortigate and look at the possibility of having a FortiManager.
Carlitos loves firewalls
NSE5 (Fortimanager 6.0, Fortianalyzer 6.0)
NSE7 (Enterprise Firewall 6.0)