1. Design for better browsers, then design alternative solutions to handle IE6 bugs?
2. Write a remedial IE6 stylesheet to address layout issues?
3. Use JavaScript to bootstrap CSS support in IE6?
4. Make your site look exactly the same in IE6 as in any other browser?
5. Develop to better browsers and spend no development time or testing for IE6?
6. Block IE6 users from seeing your site’s styles?

http://code.google.com/p/universal-ie6-css/