Some cool/leet sites I'd recommend anyone to check:

#NoHack @ www.nohack.net

ScriptaZ @ www.scriptaz.com

VTech @ www.vt.edu

IPowerWeb @ www.ipowerweb.com

Acid Fonts @ www.acidfonts.com

ATAME @ www.atame.org

DoKFleed @ www.dokfleed.net