I was reading quite a good article the other day, that apparently, because the "I'm Feeling Lucky" button on Google skips all the ad placements on the SERP, that it in effect costs them $110 million per year in lost click-throughs. Their reasoning for keeping it in is as follows:

Which to me sounds perfectly reasonable! I think I would do the same. I must admit though that I've very rarely used the "I'm Feeling Lucky" button. Although when I type "g <my keywords>" into the Opera address bar, that often uses the I'm feeling lucky approach and takes me to the first site that it finds.

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