I built it in 2008, I did a lot of tuning for about 3 months, lots of tiny adjustments, I took a few pics of the process: https://www.flickr.com/photos/jaredeberhardt/3429994660/in/photolist-6oU3cB-6e6BUY-6e6C3o-6e2rXp-6e2sbv-6e6Bwd-6e2siF-6e2rKt-6e6BNA-6e6BEo-6e2s3v-6e2rzz-6e6B9m-6e6AmU-6e2qez-6e6AQ9-6e2q7R-6e6A8U-6e6B5C-6e2q2P/