Good overview: How to make sure IE7's in your mix

Over at Vitamin, Simon Griffin explains not only how to ensure a CSS-driven design accommodates the new Internet Explorer 7, but also a lot about conditional comments, JavaScript browser sniffers, XML declarations and DOCTYPEs.

Sounds pretty long-haired, I know, but this article will help contemporary Web designers a lot in this period of browser version updates. Skip it at your peril.