ThinkGeek offers up to 50% off a selection of survival gear, with prices from $1.99. (Prices are as marked.) That's the best discount we've seen specifically on these items from ThinkGeek, yielding several price lows. Shipping starts around $6. Some best bets:
Mwave offers the POV Action Sunglasses Digital Camcorder in Camo, model no. AGC20-4CA, for $74.95 plus $2.99 for shipping. That's the lowest total price we could find by $16. The glasses house a 3.0-megapixel camera and feature a resolution of 736x480, 4GB memory, and microSD card slot.