I've been using Gentoo for about 4 months now & I really like it. After using RedHat, Fedora(rpm)...Portage is something that is really amazing.
In fact this is kind of freaky since I'm giving a seminar in my college on Gentoo today & I did look up the exact same IBM Article a few days back. Really nice to know how it all started off.
Thanks to the chap in #gentoo on irc.freenode.net for giving me the link a few days back ;)