B&H Photo Video offers the IOGear Wireless HD Computer to TV Kit, model no. GUWAVKIT2, for $99.95 with free shipping. (Click through to B&H to see this price.) That's the lowest total price we could find by $3 (outside of the price below), although we saw it for $5 less last spring. This device allows you to stream wireless HD content (up to 720p) from your computer to your TV. It features HDMI and USB connectivity, a wireless range of up to 30 feet, and more.

A close price: PC Connection Express offers it for $94.95 plus $6.27 for shipping. Sales tax is added where applicable.