@StormtrooprDave: First and foremost, Quests are meant to be fun. They get people bouncing around the wiki, re-discovering things, finding out about other things for the first time; having a good time. Of course, this does mean more pageviews, there's no denying that, but it is not the driving force behind them by any means.
That said, we're always trying to improve. As one of the main people working on Quests, I'd love to see more folks doing them. Look below for some stats.
Totally open to suggestions! Are you guys into more thematic/event driven quests (e.g. new movie release coming out and a related Quest is put out, the Oscars, etc.) or more of the random type (we just feel like making a quest about every serious movie Robin Williams has been in)? I've been pushing forward on the more thematic/event oriented ones, but if they're not doing too well or aren't what you guys prefer I'm totally down to try something else.
EDIT: Getting an image upload error. will post when it's fixed.