looking for a set of speakers for front room. want to hook them up to a blu ray player, plasma tv and xbox360. budget is around £250, but i dont kno where to start. soundbar, 2.1,5.1,7.1???, cables, wireles. the room is only small about 5m x 3m. i just want something to give me decent surround sound, doesnt have to be anything amazing, any help much appreciated.