How did we ever Live as IT Pros without virtual machines?

Today I have tried several different configurations of perimeter security using wireless access points, vlans and the Microsfot vpn server. All of this is done on a Virtual machine I downloaded from Microsoft for free. In the past sure I probably would have used free software and Linux to test ideas, but that doesn't help me test and Exchange 2003 cluster does it?

No.

So thanks Microsoft for seeing the things your customers were using and needing and giving it to us.