Saint's Row for the discerning gentleman
Gentlemen of the Row is the Penny Arcade Saints Row group for organizing coop games. We also play many other multiplayer games together like Grand Theft Auto 4, Splinter Cell, Serious Sam, Borderlands, Duke Nukem, Titan Quest, Mercenaries 2, and AI War to name a few.
Amazon has Saints Row 2 on sale for $4 boxed. The boxed key installs on steam as well.
Let's Play Saints Row 2 by Adus
IdolNinja's SR2 Modding and Game Dev: