Further to that video of Brian Noyes and client technologies, Tim Huckaby has written a terrific paper on the topic. His personal history and experience position him perfectly to understand the real technical reasons (as well as the make-your-boss-happy or the go-home-on-time ones) why you should use a "smart client", "rich client", "Windows client" application for certain kinds of applications. He also knows when you shouldn't. Definitely recommended reading and if you want to tell him your thoughts, he's set up a blog post for comments.
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