hi there newbie here so be gentle! i'm about to change my tv set up- getting sky HD and changing xbox to an xbox elite- getting it free with mobile phone contract- and also going to get a cinema system to match the black look. i have a plasma with 2 or 3 hdmi sockets (not at home to check) most of the cinema sytems i can afford only have 1 hdmi in socket and an optical port my question is how do i link the xbox elite and sky hd both through the surround sound and into the tv with hdmi s etc...?? can i link sky to tv with hdmi and take an optical to the surround sound and then link the elite to the surround sound with hdmi then to tv with hdmi? or vice versa?