With Lyte's idea for making Inn's more of the attraction then the bank, i thought i should mention this, tho its not really a suggestion for the area inside of an inn.
What about travelling npcs, Heros/Sages etc, that travel from city to city stopping at the inns/taverns, with stories, lessons, and items they've found on their journey.
For example, you walk into Fish's Tavern and see an Barbarian Warrior npc named Great Angus Masson resting at a table observing everyone. You walk up to him and hail him and he replies "Greetings Lad/Miss, what can the Great Angus Masson do for ya" then giving you dialogue options, one being "May i ask why your called the Great Angus?" and he replies "Course ya can, and i'll tell ya, but can you go buy me a couple drinks, it's quite the story." Then you can buy him a drink, different drinks giving him different responses and having a different story told. Say you buy him a couple ales and he tells you about how he once rescued a family from a burning home while fighting off a group of bandits, and after following the dialogue to the end of the story, you get a message saying you've been inspired by heroism (or other types of inspiration based on the dialogue) as well as an hour long buff increasing your Stamina and Regen (or slight run speed increase, atk pwr, etc) After you recieve the message and the buff, the Hero/Sage thanks you for the drinks, and for listening and says he/she is off to the their room at the Inn to rest for a bit, where they disappear for 15-20 mins before the show up again, but this time they are at the Tavern at the Inn, or in the Lobby, etc.
Doesn't just have to be a buff, it could be while in the Lobby of the inn they are selling rare items they've found on their journey. (and a limited amount of them, and probably all NO DROP to prevent abuse) Maybe weapons or other equipment, maybe a researcher that came across some spells or potions, (ones that normally drop, also NO DROP here tho) could even have a collector looking for some items on his travels.
Ok so maybe im getting a little off track, too many ideas >.<
But as for a suggest of something to have in an area of an Inn (Tavern, etc), you could have travelling minstrels that sing a song and anyone sitting in the radius of that song long enough could recieve a buff?
Ill probably add more to this later, just thought i would add some ideas and give a little detail into one of them =)