Page 1 of selling panasonic plasma question & guarantee question

I have a Panasonic 42" plasma th42pa20 that i`m thinking of selling as i need money for home improvements.where should i sell? in my local paper theirs a free ads section or put on ebay and lose a bit of the money on ebay fees.
I paid £3,000 3 months ago for it so how much should i ask for?
plus it`s under guarantee when i sell it,does the person who buys the tv get the remaining guarantee until the 12 months.or is the guarantee void if you sell it on?

would just be getting a crt tv again where`s best on the net to buy one.saw an lg tv that looked nice but not sure it could handle ntsc.

i thank thee.