Warcraft
WoW's Warband system is getting a facelift soon, with new campsite backgrounds and the ability to sort your alts into cute little themed groups
World of Warcraft's Warbands system has been a pretty solid win for the aging MMO, adding a whole layer of alt friendliness to the game—I've particularly enjoyed being able to huck loot at my alts willy-nilly, and the stacking XP bonus you get for hitting level cap on each of your characters isn't bad, either.