Not worth it. Best recomendation is to always hire a game 1st if you can. Read a review, then go buy it if you like it. Giving ratings on a game is fine, but yeah, people'l have their own opinions on things. Just like rating a movie, So many movies people have said were good that it thought were totally shyte house. But yeah, Kernal32's guide to all game reviews
http://www.gamespot.com/psp/index.html