Review : Samsung PN58B560 58-Inch 1080p Plasma HDTV :

I have had this display for several weeks now, plenty of time to adjust settings, watch quite a few movies, shows and sports and get a feel of what it is capable of. To start with, the out of the box settings are ok. They are the typical over brightened and over sharpened settings to grab attention on display walls in electronics stores. One of the better methods to tweak the settings for the average user would be to download one of the free calibration disk images from the internet, burn it to disk and go through the calibration tests that you can do with no other equipment necessary; brightness, contrast, sharpness and so on. Forgoing that, I would turn the edge enhancement off, take the sharpness all the way down, and most likely lower the brightness a little from the out of box setting. Either way that should get you a much better than out of the box quality, and a good starting point for you to then tweak to your personal tastes.
Once adjusted to taste, the quality of the picture on this display is supurb coming close to the Pioneer Kuro line in most respects. So far, the NCAA tourny has never looked this good at my house. Movies are excellent. HD programming from satalite is great and SD is as good as can be expected. I only used the built in audo for a couple of hours. The sound quality is passable, but it is highly recommended that you seek out a home theater audio system to use with this quality of display.
The only knock I would give this display is that mine does have a low level of the buzz that you see discussed everywhere. Mine is not very severe, but it is well above what is now normal for a plasma. Some of the plasmas I have seen lately are as silent as an LCD. The buzz can be heard, with the volumn all the way down, 12ft away from the display. It is low enough however to not be too bothersom even with no volumn, and once the volumn is up enough you can hear anything, the buzz is completly masked. Having heard one of the pannels that has the loud buzz, I would consider mine to be minimal. Oh and I live in central Illinois with an elevation of ~600ft above sea level so that is not an issue.