Which Tv is Better? Toshiba,Vizio,Samsung, or LG?

http://amzn.to/192p8bN


1.Samsung UN32EH4003 32-inch 720p 60Hz LED HDTV

2.Samsung UN32EH5300 32-Inch 1080p 60 Hz Smart LED HDTV

3.oCOSMO 40-inch 1080p 60Hz LED MHL & Roku Ready HDTV

4.oCOSMO 32-Inch 720p 60Hz LED HDTV

5.LG Electronics 32LN520B 32-Inch 720p 60Hz LED TV

6.LG Electronics 50LN5200 50-Inch 1080p 60Hz LED TV

7.LG Electronics 50LN5600 50-Inch 1080p 60Hz LED-LCD HDTV with Smart TV