Hi blogerman. Part of the thrill is being able to guess exactly how much points is needed. I'm going out on a limb here but judging from my activity from the last 5 token reward...I'll say 105 points for 5 tokens. I wonder what are the guesses of our fellow EPeers. I don't know however if the number of points needed goes up as we climb the ladder or this is fixed. If you do say, 7 comments, you will have 5 tokens for them.
Here's a list of the point-equivalent of an action: