There are 3 reasons why I use Firefox:
Found this via Stanislas Quastana’s blog: ISA Client Spy. Free tools for ISA Server are great and this one, should be an excellent troubleshooting tool.
Placing an Exchange Front-end server in the DMZ does nothing to increase security.
This is a great article discussing the features of ISA Server as a layer 7 firewall (without the usual zealous bubble from Dr T. Shinder)