One blogger recently paid off his mortgage, and saw his credit score drop 17 points after the debt went off his record. It's still above 750, and it's only really an issue if he wants to apply for another loan, which he has no real need to do at the moment.
But that brings up the question: As strange as it sounds, is he shooting himself in the foot for later financing if he goes any length of time without debt? In my experience with peer-to-peer lending, for example, borrowers who had no credit rating were placed in almost the same category as a high-risk borrower.

