4chan has one of these, we can too!
http://www.youtube.com/watch?v=34dRS55Et3A
http://www.paradoxplaza.com/games/crusader-kings-ii-legacy-of-rome#about_game-tab
Paradox has thrown a bunch of good stuff at me in my mailbox, so read up.
http://i57.photobucket.com/albums/g239/NejinOniwa/1346477736445.jpg
This is the /gsg/ thread's current OPic, summarizing general GSG/Paradox features, games and mods to date.
In other news, Legacy of Rome is scaring me shitless. ;W;