Opinon of Fortinet Products

My organization is in the midst of a Network Security Solution RFP. One of the 
vendors that we are considering is proposing the use of Fortinet products 
(Fortigate 5050).

I understand that Fortinet is taking the Swiss Army knife-like security 
appliances approach to network security, however, one of the biggest drawbacks 
to these types of products is that they are a single point of failure in the 
network architecture. Has anyone had experience with this line of products? 
What are the benefits and disadvantages to using a Swiss Army knife-like 
security appliance? 

Using Fortinet as a UTP (unified threat management device) makes you beholden 
to a single vendor; however, one particular vendor that excels in a single 
service may not provide the best features in an overarching solution. Have any 
of you found this to be an issue? 

Is anyone familiar with JDL Technologies? Positive or negative experiences? 
Feel free to elaborate. 

If you are currently using a UTP, in retrospect, would you have gone with a 
multi-device/application network security solution or would you go with the UTP 
solution if you had to do it all over again? 

If you would prefer to answer me off the board, feel free to do so.

Thank you for any feedback you can provide to me.

Kimberly F. Adams