Windows equiv? You're not a Mac guy? just kidding. I've gone from the Apple IIe days to Windows then back to Apple Macbook Pro just a few months ago. Will let you know if I find any good usability tools.
A group for those interested in User Experience Design, and related areas (Interaction Design, User Interface Engineering, Information Architecture, Communication Design, Human Computer Interaction, Usability, Sociability, Learnability, etc.)