if its jus b/w Samsung adn Videocon, then go for Samsung.. 

 for sure...
btw, my old Videocon 21" CRT TV lasted a whooping 12-years..  cant say anything abt LCD's as the max lifespan of LCD tv (irrespective of brands) is jus 4-5years at the max.. 

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BUt, i root for samsung (if its LCD tat u are planning to buy) as it has got better picture quality, smoother video and really good sound.. 

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Cheers n e-peace....