alright i have a question here . i have a 50inch full hd plasma tv and its currently linked up to my pc but my pc isnt that good and my graphics card can only support a dvi to hdmi cable which means i get the picture but the sound comes from the pc . i only watch series and movies in hd resolution but on the tv i often get weird "lines" along the screen especially when rapid movement is happening and i assume that is because my computer just doesnt do that well so i was considering buying a ps3 which has a blu ray player . now my real question is if it is possible or makes sense to buy a ps3 and download hd movies and put them on a usb stick or external harddrive and plug it into my ps3 to play the movies on the tv from my ps3 so does anyone see a problem with my plan ?