Flash sites are a lot like splash pages, the only people who seem to like them are the developers and site owners that use them. Flash can be a great enhancement to a website when used properly, it should not, however, be the whole site. All-flash websites have the same problems found with framed sites, just for different reasons. Search engines rarely find substantial indexable content within the flash and users have no way to bookmark specific relevant pages.
This post is part of a continuing series on the topic of:
Designing a Money-Making Website
Search for all posts on Designing a Money-Making Web Site, including this and the following sub-topics:
Building a Professional Website that Achieves Your Goals
Creating a Marketing Focused Website that Sells