Asking a lot from Buzz (thank you Buzz for all the interesting info you've shared, plus the flying stories that some of us old timers can appreciate - I flew small planes when I was in high school/college) and I know that some other calibrators stay away from threads because they get asked to provide more and more. I would suggest you start with this, it is what I used until I saved up for a pro calibration. Oppo was smart (or kind enough) to provide this disk with your purchase when they introduced their first blu-ray player - Oppo 83. It was a great tool to get for free along with the HDMI cable. If you can ever afford one of their players - I highly recommend them. I have owned 4 since buying the 83. Thanks to Buzz and Silly Sally for validating why I hadn't jumped on the 103D.