Here is a small list of things that I've met since '98
1998-2002 RedHat 5.1 - RedHat 6.x
2001-2003 Debian-SuSE
2003-2007 Gentoo
2007-2009 Kubuntu 8.04-8.10, Fedora 5-12, RHEL 4 and 5, CentOS 4 and 5
2009-2010 Ubuntu 8.10-9.04-9.10
(planning on going back to Gentoo...)
