On other boards, I have seen some very negative comments about mounting speaker brackets to the top of your HDTV. The TVs weren't made for this and the frames appear to warp after a period of time.

The Rat. M80s, VP-150, QS8s, SVS PC 20-39+, OPPO, Onkyo 703s, Harmony 880 Sony 60" SXRD HDTV