Saints Row 3

Well, normally I'm going to be talking about how much I hate a game, so this is going to be the rare exception where I don't. I won't say this game is perfect, but I have spent a lot of the time I'm playing it laughing out loud, which I find to be really rare with games these days. I haven't played any of the other Saints Row games, so I can't comment on changes from the earlier entries, but this game makes GTA look like a sedate walk in the park compared to its balls to the wall insanity. Someone tell me, is it worth going back and playing the other two, or should I just stick with this one?