Resources
- The W3C Quality Assurance Activity has many articles on this topic. They also have tools (eg HTML Validator).
- WestCiv have excellent online courses for learning CSS
- There are many blogs in the area, that cover all aspects of the process. 456 Berea Street is an example of the high quality articles you can find. Adaptive Path provide a business case.
- There are a few good books (more every day): Zeldman's “Designing with Web Standards”, Cederholm's “Web Standards Solutions”, Clark's “Building Accessible Websites”.