I gave up "Battlestar Galactica" in HD to come to E*.  One things for certain--I miss my UHD!!!  In short, I wholeheartedly concur...there should be a SciFiHD channel.  With this weeks finale of Enterprise, there is a huuuge empty space in what seems to be perfectly suited HD programming, science fiction/fantasy.  Besides sports/event programming, I can't think of better eye candy with wow factor AND broad appeal that would seem a natural fit for HDTV.