One suggestion is to hide stylesheets from IE6, which would result in a “bare bones” non styled, though mostly functional version of a website being served to IE6 users.
Remember how we used to do something similar to Netscape 4 back in the day?
Some great discussions accompanies Dan’s post.

An interesting read over at Ordered List proclaiming that the use pixel font sizes are now off the no-no list in stylesheets.
The other day as I started a new project, it hit me. Safari is now on ‘roids. Firefox 3 is not too far behind. And Internet Explorer 7, well IE7 now does the [...]

Could this be the answer to the prayers of web developers fed up with trying to accommodate IE 6’s CSS rendering quirks and bugs? A way to hide your stylesheet from Internet Explorer 6.
We have been able to hide styles from older browsers such as IE 4 and Netscape using the @import declaration (and IE [...]

A lovely euphemism for rehashing previously used design methods and even raw code: it’s called your design signature:
If you’ve designed more than five sites in your site, you likely have a design signature too, although it’s probably different than most other designers and coders you know. You may not even know you have it, but [...]

Override Inline Styles from the Stylesheet
A way of overriding the override. Useful for CSS monkeys who have to look after someone else’s stylesheet until the next website redesign comes along.
You read that right. I said override inline styles, and no, I have not been drinking. For the longest time it has bugged me that there [...]

Improving Code Readability With CSS Styleguides
Organising and structuring your CSS code, or stylesheets, is just as important as any other aspect of the design process.
An article all CSS coders should read.

A Preview of HTML 5, by Lachlan Hunt. After a mere ten years between drinks, the W3C is gearing up to release version 5 of HTML.
To give authors more flexibility and interoperability, and enable more interactive and exciting websites and applications, HTML 5 introduces and enhances a wide range of features including form controls, [...]

Australia’s favourite newspaper (ok, I’m biased, I’ve written for them once or twice ;), the Sydney Morning Herald has just unveiled a brand new design!
Personally I like it, though not everyone shares my opinion!
One or two people feel the stylesheet they’ve used isn’t particularly, shall we say, original. I don’t know, 100 per cent original [...]