tonights episode of raw is going to be the first broadcast in HD. i believe i read it was going to be a 1080i broadcast, but don't quote me on that. Raw, Smackdown, and ECW will all be making the transition this week, after taping in HD for the past few weeks (but doing a regular broadcast).
Also, all 3 sets are scheduled to be changed this week, with all of the titan-trons being replaced.
i'm just disappointed that a Sci-Fi hd channel isn't available from comcast in my area, so i'll be watching raw and smackdown in 1080i, but stuck with a regular standard ECW broadcast.