The pictured Peerless Truss Ceiling Mount with Decoupler drops from $56.95 to $53.90 at Adorama and Shipping is free!
The Peerless DCT300 Truss Ceiling Mount with Decoupler for Multi-Display TV Mounts is a ceiling mount, designed for use with plasma and other large displays. It features an integral high-density rubber decoupler assembly for vibration reduction. It can attach to round, scare, rectangular, or I-beam trusses up to 3" wide and 3.5" high. The unit has a 1 1/2" 11.5 NPT fitting that can accommodate an extension column.