I purchased a Panasonic 55" ST50 in July of this year. It is a great set, and I was happy with the picture quality I was getting using settings I obtained from David Katzmaier's article on CNET. However it was clear to me that the picture was far from perfect and I was pretty sure that a professional calibration would significantly improve the picture quality. I wasn't wrong.
I contacted Greg Loewen and we set up an appointment for early this past week when he was going to be in my area. Greg sent me very clear instructions on how to prep my viewing environment for him to do his best work. He arrived on time and proceeded to spend the next few hours calibrating the display and explaining to me what he was doing.
He did a great job, and was very patient with my questions. I won't pretend I absorbed it all, but I'm definitely more informed than I was before.
To best evaluate his results, I rewatched some material with which I was already familiar. There was great improvement. The picture really popped. Flesh tones looked more natural, detail in dark areas was more notable and the whole image looked brighter without feeling washed out. The difference was subtle but quite significant.
I had also asked Greg to adjust my audio system which he was happy to do. I have a Yamaha RX-V673 Receiver but felt that the sound felt muffled and dialog sometimes a little hard to understand. Greg changed the settings of my front and center speakers from large to small, moved my center speaker forward to the front of the cabinet it sits upon, and adjusted distance and levels. The change was significant. The bass is much more impressive and dialog is much easier to understand.
I highly recommend Greg's work to anyone looking for a calibration for their HDTV. I'm attaching his calibration report for those who might be interested.
Greg Loewen calibration report.pdf 2423k .pdf file