I like it as one of the two you can pick, if you're going to choose one early on to enhance your survivability. But then I never make it past "Early on" and I still can't understand how people afford to be magic users.
"message passing as the fundamental operation of the OS is just an excercise in computer science masturbation. It may feel good, but you don't actually get anything DONE." - Linus talking about Micro-Kernels and the EROS OS.