Current OSes:

• Arch Linux (i3 / personal)
• Linux Mint 13 LTS (i3 / work)
• He-Which-Must-Not-Be-Named 6.1 (games)

History:

1. Ubuntu (GNOME 2) user from 8.04 LTS to 11.04
2. Ubuntu (Unity + GNOME 3) user on 11.10

Volonteer sysadmin for ~10 people (family / friends) who are using:

• Debian 7.0 / GNOME 3
• Ubuntu 12.04 LTS / Unity
• Linux Mint 13 LTS / MATE