One of the big things now with websites is SEO. The drive is to show up on the first page of Google in your respective market. Keep that in mind when you're designing sites. The search engines must be able to read them.
Saw this on another forum which supposedly helps a search engine read a flash site. http://blog.deconcept.com/swfobject/
I dont know if it works because my sites are html, but whats 5 minutes of your time reading?