Basically, it's an ok site for me.
Mostly because I don't know of any others. (I'm gonna try out Mr.Ds' and mattevils' site suggestions soon.)
I agree though, the place looks childish and cartoony and the writing by Harry comes off as all hyped-up on sugar like sadatx said, but, it gets you excited about the upcoming movies, too.
Just take it in small doses and you'll be all right.