I love Mihaly Csikszentmihalyi. I had a professor in college who taught 'Introduction to Creativity' and was extremely passionate about teaching the ways of Csikszentmihalyi. We the students were inspired and intrigued by her passion about his ideas nearly as much as his ideas themselves. My friend and classmate started a blog, titled "optimal experience" (as an ode to Csikszentmihalyi) at:
http://blog.think27.com