It feels like ISA 2004 just launched! Well, time to drop that stable firewall and caching proxy you're enjoying and check out ISA 2006. The public beta for this product was announced today and both Standard and Enterprise edition are available for download:
Internet Security and Acceleration (ISA) Server 2006 is an integrated edge security gateway that helps businesses secure their Microsoft application infrastructure, streamline their network and safeguard their IT environment. ISA Server 2006 Beta is available for download in both Standard Edition and Enterprise Edition.