If any of you got Plan 9 running on SDF VPS or on any local instance, I recommend having a look at uriel's slides:
9fs 9front.org && cp /n/9front.org/extra/uriel.slides.tgz /tmp/
They have a lot of quick details on Plan 9's history, plus comparisons with Unix and Linux.
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko