Hop on over to the thread mentioned in the top post and there are some basic instructions on the first two pages. :)
I think you're right, but it will still be so fun to track! Plus, we can come back a month after the challenge (and so on) to see how our numbers held up!
I just love statistics and I'm interested in seeing others scores too to see what's working for them.
Please don't feel obligated to share your stats! I realize that is more confidential for some bloggers!