Andy Tanenbaum, Presentation and Interview

http://de.sevenload.com/videos/DqzIRi2/Andrew-Tanenbaum-Design-of-microkernel-OS
http://www.computerworld.com.au/index.php/id;925218285;fp;16;fpid;1
http://www.youtube.com/watch?v=gFUvDznGwHI

An interesting issue on microkernel vs monolithic

http://www.coyotos.org/docs/misc/linus-rebuttal.html
http://www.freesoftwaremagazine.com/articles/minix
http://www.cs.vu.nl/~ast/reliable-os/