Re: debugging for multiple versions of IE

I've found this to be the best option for testing different versions
of IE on Windows:

http://tredosoft.com/Multiple_IE

If you plan on doing cross-browser testing, it's worth picking up a
copy of XP to run parallel to your native OS (I run it alongside OSX).

Either way, if your job at all concerns cross-browser testing, I'm
sure that you can convince whoever necessary to let you install
Multiple IE.

Thomas
.