pfsense and Smoothwall

So heres my dilemna for a project I'm working on.
I need a rather broad solution covering DNS, proxying, firewalling, VPN (both site to site and LDAP integrated user access), DHCP, supporting multiple DMZ servers along with routing support. This will act as the centre point for a 40 person network. Clearly hardware wise this will have to be quite a strong system, with load balancing being a possibility, at minimum hardware failover.

For the network security class we got asked to take a look at two firewall solutions, so whilst comparing them I also tried to see how well they would fit into the above requirements.

The firewalls looked at were pfsense and Smoothwall Express 3.0.

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