WatchGuard Firebox T45 Network Security/Firewall Appliance - Intrusion Prevention - 5 Port - 10/100/1000Base-T - Gigabit Ethernet - 3.94 Gbit/s Firewall Throughput - 5 x RJ-45

I liked that I was able to export a file from the T20, load it in the T45 and power off /on and we were up and running. It loaded in all my rules and settings. I had to change the name and the new login credentials and that was it. I like the hardware firewall for my business since it takes the problems of malware, viruses etc and sets up a chunk of hardware to deal with sorting the wheat from the chaff in terms of internet traffic.