Be A Jedi www.bajedi.com is a Star Wars Fan site with a Google + plug-in. A site like this only takes 1 to 2 days to get online:
www.ouyaface.com is a fan site for the new OUYA console due to come out next year. The site is all about free gaming and has a crisp clean look to it.
My MMO site, SWTORFace, is still going strong with over 3 million hits in 9 months. Being in the right place at the right time is what it's all about. A site like this can make you $200 to $300 a month in Google adds alone.