PN50B540 question?

[b31ac]

I found great deal on

Samsung 50" 1080p Full HD Plasma TV (PN50B540)
TV/Video
Full HD 1080p Resolution
2,000,000:1 Mega Dynamic Contrast Ratio
FilterBright™
1080 Full HD Motion
600Hz Subfield Motion
0.0001ms Response Time
Wide Colour Enhancer 2
Anit-burn in technology
Game Mode
USB 2.0
Anynet+ (HDMI –CEC)
Energy Star® Qualified

Any one have any experience with this TV? I found some ppl have issue with buzzing on Samsung? Is it true? Any input will be great.