I'm not sure if this is the correct question. If the question is: Would you consider another firewall every year? then the answer is yes. The technology landscape is changing so often today that we can no longer invest and hope for it to last 3-5 years. Sometimes a small new…

I believe that all 3 products are pretty good and there are too many factors to consider before a proper evaluation is done for your environment. There are various non-technical factors to consider as well such as vendor/partner support, training, licensing models, etc…