Buy this Sony Bravia TV and get £100 off when you trade in your old TV. Select the disposal below and enter the promotion code 'SONYTRADE100' at checkout. This reduces price from £599.95 to £499.95 and you just need to trade-in any working tv.
also comes with a 5 year john lewis warranty.
Click on link for specification of TV. trade in offer from sony runs from 28/3/11 to 5/6/11.
Cheapest I can find is PRC Direct which is £539 with trade in so this is a great deal for a 1080p 100hz internet tv.