Being the owner of a forum myself, I can say that choosing a good style for your vbulletin forum can be a big hassle. You wan’t to have the right blend of artisticness and usability. You don’t want to annoy your visitors with overly vibrant, eye straining colors, but you  bore your users either. There is a lot of information published on the web to help you discover the perfect vbulletin styles. Do your research before making a decision you might regret!