11 years ago, a day more or less, I bought an the special issue of CHIP which shipped Debian 1.3.1. I think I've tried SuSe and RedHat earlier that year, but this Debian release made me switch away from proprietary products 98% (taxes I still had to do with Windows98). Right now, I am mostly running Ubuntu, which leans heavily on the work of the Debian project.
I celebrated by installing a prerelease of Lenny, Debian's next stable release, but still testing now, in a virtual box with VirtualBox. Works like a charm, and will allow me in 2009 to finally pick up some packaging work for Debian, and maybe, finally, get Jmol available in Debian main.