I don't doubt that a few will. But if their words have meaning, I can forgive it. I mean, as it stands, how do you know someone who leaves you a comment isn't just doing it for money, for exposure or to get you to visit their blog?
So this won't be much different.
Exactly, it is just the same as it is now... Only difference is you are giving aditional rewards, which is cool i guess :D :D