I purchased a Panasonic TX55CX802B in December 2015 and decided that I wanted to get it professionally calibrated by a qualified isf calibrator, so after reading many positive reviews I decided to contact Vincent Teoh from hdtvtest. After a few emails back and forth we finally agreed on a mutual date for Vincent to visit me and calibrate my set. Vincent was punctual and arrived just when he said he would, he was very polite and respectful and professional. He talked me through the whole process and explained what he was going to do and what each piece of specialist equipment did, which I really appreciated as I have always had an interest in av. It took a couple of hours but it seemed to go by very quickly. He showed me the before and after results which I thought was a nice touch along with some test footage which was also good. I am extremely happy with the results of my calibration and also to have met Vincent and to have been able to watch him work his magic. I would definitely recommend Vincent if you have purchased a new TV and are thinking of getting it calibrated. Vincent also was kind enough to supply an email with an pdf file of my calibrated settings which I thought was a nice touch. All in all I am glad I had my TV calibrated by Vincent and am extremely happy with the picture quality now. Definitely worth the money.