Played with Linspire (later forked to freespire), Ubuntu 5 / 6, OpenSUSE 8 / 9 / 10, Ubuntu 11.04, Linux Mint 11, Ubuntu 11.10-12.10.
With a move to windows and hackintosh every now and then. :)
Q&A for Ubuntu users and developers
Q&A for professional and enthusiast programmers
Q&A for system and network administrators
Q&A for professional programmers interested in conceptual questions about software development