The latest SonicWall TZ series, are the first desktop form factor nextgeneration firewalls (NGFW) with 10 or 5 Gigabit Ethernet interfaces. The series consist of a wide range of products to suit a variety of use cases.
SonicWall TX270 - Bargain Value with Enterprise Features and Performance!
SonicWall firewalls are among the industry leaders for everything from basic firewall protections, to IPS/Malware/Anti-Spam, etc. depending upon optional licenses.
One of the nice things about the TX270 is that it supports current 7.X firmware, and has throughput that can keep pace with 1GB Internet connections with the bells and whistles enabled!
I am using this at home, mimicking a business environment setup (which I work on in my profession).