Check it, Comcast subscribers in Salt Lake City: you've got five new high-def channels to keep you company. As of now, users in the region can tune into AMC HD, HGTV HD, CNN HD, Food Network HD and SciFi HD (no ESPNews HD, sadly). According to a tipster, SciFi HD is the only one still showing a black screen, but given that he's using a CableCARD, it may not be the case for everyone. Flip on the tele and let us know, will ya?

[Thanks, Patrick]

Update: SciFi HD is live!

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