This just may be the answer to eliminating all but the power wire .
http://elink.en.alibaba.com/product/623754554-215282951/Wireless_HDMI_extender_transmitter_receiver_system_support_3D_1080P.html
http://elink.en.alibaba.com/product/623754554-215282951/Wireless_HDMI_extender_transmitter_receiver_system_support_3D_1080P.html