Where Can I Get A Cheap 40″ New Flat Screen Tv?

I want a good brand, like panasonic, LG, samsung, etc
Will PC world, currys etc discount if i ask for a tv cheaper then the advertised price?

How Do I Get Surround Sound Connected To My Flat Screen Tv And Xbox360 Correctly?

I have a Hd Flatscreeen tv with freeview built in works perfect then my xbox connects to my tv via hd cables to the pr pb y etc works perfect… i have just bought a Philips home theartre system connected it up like says in manuel and when i play a dvd it sounds awsome. but cant get my tv/xbox through the surround speakers. i have a hdmi cable running from my dvd/home theartre system into my tv. speakers are all connected as the dvd works perfect. then someone said connect red and white wires from tv to the dvd/home thearte system . done this and i still cant get xbox to work but then i tested the tv and i was watching a freeview channel and sound was coming out the tv as per normal turned on the surround sound and itv1 started playing through surround sound . the guy at currys says all i needed was hdmi lead and all would work but it does not please help…. have i connected wrong ? i know i do not have a optical connection on home theatre system but i just want sound ?