Buy.com has the Zyxel ZyWALL 2 Internet Security Gateway for $74.99 with free shipping.
ICSA certification for Firewall and IPSec VPN ensure security as well as interoperability with ICSA certified products from other vendors. VPN features in the ZyWALL 2 are enhanced, offering 3DES data encryption rates of 2Mbps and two VPN connections.