The first tv spot is going to air sometime today during the Olympics.
Last night the new one sheet poster was posted online:
http://www.filmofilia.com/2010/02/23/three-new-nightmare-on-elm-street-posters/ Also on Wednesday the trailer is supposed to appear online. Some places I've checked have posted the time for 12:01 A.M. on Thursday(Along with a new poster).
Friday the Trailer is going to be attached to a movie. I haven't found out which one, but best guess is its going to be The Crazies.
Update:
I caught the tv spot during the Hockey game on at three on USA. It had some extra stuff with Thomas in it.
Update 2/25:
Joblo/Arrow in the Head posted both tv ads:
http://www.joblo.com/arrow/index.php?id=20886