This deal has ended.
Buy.com now has Six-Foot Belkin HDMI Cables (model AM22302-06-SN) on sale for just $10.75 each, the lowest price online by about $2. These transfer both HD video and high performance audio through a single cable and feature silver-plated connectors. Shipping is free and there's no sales tax (except CA, MA, MD, NY, TN). Compare this with $25 at Dell.