In this lengthy interview from April 2004, Tetsuya Mizuguchi (Founder, Q Entertainment, formerly President, Sega UGA) answers a wide range of questions, and covers quite a bit of ground, such as his unique catalogue of games (which includes Rez and Sega Rally), the future of technology and how it will both entertain and unite people, as well as his views on the upcoming handhelds from Sony and Nintendo.
Kikizo's page on this interview is located here: http://games.kikizo.com/features/tetsuya_mizuguchi_vidint.asp?f=tetsuya_mizuguchi_vidint.asp