i am smrt. hdmi to hdmitv wasn't working with the new ATI radeon 4670 card so i googled, and googled and then googled some more. eventually i found this: http://www.tomshardware.com/forum/263339-33-unable-hdmi-hdmi-dell-studio... ... so the solution? run the hdmi through the xbox! i saved the day. yeehaw!