How to run IE 5, IE 5.5 and IE 6 all on the same computer!
Have a read of the following article and follow it to run multiple IE's on the same pc:
http://labs.insert-title.com/labs/ar....aspx#WXPIE501
Then go to Evolt for the browsers:
http://browsers.evolt.org/?ie/32bit
Do all that and you'll be able to run multiple browsers for your cross browser testing!!!