I would suggest watching these. This is only a couple of them but if you watch the rest i think that it will help make up your mind.
http://www.youtube.com/watch?v=3fvNnlQHzTw
http://www.youtube.com/watch?v=81MrlwOLNjY
http://www.youtube.com/watch?v=rw1zdFZwlLU