There are at least some threads and/or forums that may already do this. There is a classic gaming forum which an cover just about any kind of game, even consoles.http://donkeykongforum.com/index.php?board=30.0
Steve's list forum covers a lot of random silliness
Though not public and not permanent, the shoutbox sees a lot of random talk...
And many people have blogs, sometimes people start blogs and introduce themselves and basically never touch it again..