The celebrities niche always had me curious. I am not a fan of celebrity gossip myself, but as a web publisher I do know that It is one of the most popular and most profitable niches on the Internet.
While there are literally hundreds of blogs covering the traditional angle of it already (i.e. the Britney Spears got drunk again stuff), I just know one that is focused on web and tech celebrities: ValleyWag.
Guess what, I will give it a shot and launch a blog covering that niche as well. ...