Don't listen to their user base, no respect for community opinion. The new skin vastly reduced content space but vastly increased ad space. If you're looking at creating a wiki, anywhere but here.
Wikia is great and has a lot to offer, there advertising is a bit much though as articles have ads embedded as if they are apart of them and you are redirected any time you use a hot link which can make things slow if you use a wikia in conjunction with a game.