The Night Clan Community

If it's one thing we like its gamers who enjoy gaming but at the same time have fun and are friendly.  Make your way over to the NIGHT Clan Community. Competitive and recreational gamer alike, if you're looking for a fun place to trade, idle, get achievements, or even make new friends, they're definitely a community to check out!  Join their hundreds of members and play on their servers.  If you like them, join their steam group and add their servers to your favorites.

Check out their Steam Community page here and their website here.

Here are the URLs for those that can't use direct links:
http://steamcommunity.com/groups/TheNightClan
http://forums.thenightclan.org/

If you join up, tell [NC] Nightmare that the TF2 Spreadsheet Admin sent you!