I have a Samsung television which has a VGI which I can hook up from my PC computer now if I wanted too (no sound though except from computer speakers) ...but I am about to get the new Imac and wanted to hook that up to my tv. I wanted to have both screens able to work at the SAME TIME (the samsung and the 27inch imac screen). I would like it to keep it hooked up with the VGI instead of using HDMI because I didn't want to disconnect my directv which is connected to the samsung but I think this will prevent me from getting sound, so hdmi might be better. But is there anyway to do this on a imac? What do I need to buy? (the reason I just don't watch videos on the imac screen is because my computer and TV are next to each other but facing different directions and I want to watch netflix from my TV, streamed from the computer)