Dell Home offers the Tobii Eye Tracker 4C Gaming Peripheral for a low $109.99 + Free Shipping after Coupon Code: "EYE40" (Exp Soon). Tax in most states. This sells for about $149 at Amazon, so you save about $39 off.

• Control your video games with the movement of your eyes and head
• Tobii complements rather than replaces your traditional gaming inputs
• Pairs eye/head tracking for a more immersive experience
• Mimics actions occurring in real life