Submit screenshots of all your *NIX desktops, themes, and nifty configurations, or submit anything else that will make ricers happy. Maybe a server running on an Amiga, or a thinkpad signed by Bjarne Stroustrup? Show the world how sexy your computer can be!
A subreddit where you can ask questions about what hardware supports GNU/Linux, how to get things working, places to buy from (i.e. they support GNU/Linux) and so on. No hard and fast rules as such, posts will be treated on their own merit.