Firewalls started their journey to the next generation at about the same time as the Star Trek TV series. While the products have advanced, many IT security experts are still stuck with the original firewalls that handle ports and protocols.
You can read the full article (with registration) here in the September issue of Information Security magazine.
There is also an accompanying video/slidedeck with copious screenshots of the various products and a more specific article about how to manage application access policies. All three can be found here.