Microsoft's Expression Web Designer vs. Adobe's Dreamweaver

"The balance between supporting standards and allowing your designer creative freedom is delicate and hard to achieve. To date, the only Web designers tool that has effectively been able to allow artists creative freedom and build a site on standards is Adobe's Dreamweaver. But, hang on, Microsoft thinks they have an answer, too. The newly released Expression Web Designer is a tool for the designer that is built on standards..."

Interesting article covering some pros and cons. Not that in-depth, but a good precursor to a discussion that will soon heat up.