For today only (3/16/09) 6ave.com has dropped the price on the OmniMount VFX universal fixed bracket (model no. OMNVFX) from $299.99 to $37.77.  That's a savings of $262.22, making this the lowest price we could find on this wall-mounting bracket by about $38.  FREE shipping is included and sales tax applies for New York residents. 
 

The OmniMount VFX offers a quick easy way to mount a flat panel TV to the wall with a single wall plate.  Features include Lift-N-Lock installation with lever-free adjustment for height and tilt, and an anti-theft system, and chrome plated support rods for easy sliding lateral adjustment.  Dimensions (W) 40.9" x (H) 4.7" x (D) 2.1" ; weight 8lbs.