Findings:

• M-x xmine
• Farscape: The Peacekeeper Wars
• Peacekeepers
• The net peacekeeper's war stress
• Peacekeeper
• Logitech MX Revolution
• M-x spook
• mx (user)
• Flash MX
• GeForce 4 MX
• M-x dissociated-press
• MX missile
• M-x dunnet
• mxs (user)
• M-x tetris
• M-x praise-be-unto-xemacs
• M-x praise-be-unto-emacs
• GeForce2 MX
• M-x
• Mx
• M-x psychoanalyze-pinhead
• M-x doctor
• MX record
• .mx

If you Log in you could create a "MX Peacekeeper" node. If you don't already have an account, you can register here.