I got this one from Dixons and it ias great and they have this insurance for �6.99 a month that covers it for anything including me accidentally standing on it even.
Try Comet online auctions. Have a look to see if any are up for grabs and then bid. You should get it at aabout half price and you get a years guarantee.
They are units that have been on show, box damaged or returned.
Just google comet and go onto auctions Rgds Al