Just crossed 300 Hours of viewing time. In the process of checking the hours, I reset the entire set and put into self check mode. Oops. Not sure exactly what I did, but the self-diagnostics said that all was okay. The downside is that I had to re-download the f/w update, reconfigure all the settings, etc. That was a pain.
Am quite pleased with the image quality of the set for movies, etc. I blows away anything else I've seen in terms of colour representation and black levels. And that's with my crazy/sporadic calibration. When re-calling the reviews I read before buying the set, I have not been disappointed at all with performance or usability.
On the topic calibration, I have come to realise that the sets are quite different across geographic markets. So for example, if you try to follow settings from the renowned 'DNice' from HiDefJunkies or David Mackenzie from 'HDTV Test' or from CNET, you will find that some of the setting names don't exist or are named differently. For example, Asian sets do not get 'Custom' mode and the 'True 'Cinema Mode' doesn't let you change 'Colour Temp'. In addition we only get the one 'Warm' whereas the US sets get two different settings. Pretty much everything can be done, you just can't plug in settings like they can.
Unavailable Settings, compared with US & European sets
1. Colour Space
2. Black Extension
3. Panel Brightness
4. Colour Temp Warm 2.
5. Black Level
(credit: Pandj @ HDJ for list)