NoMoreRack has a Refreshing Cooling Pillow (scroll down the front page a bit to find it) for only $28 plus $2 for shipping!
If you constantly toss and turn at night, flipping over your pillow, yearning to rest your head on the cool side, perk up. Now you can enjoy the cool side of the pillow all night long. Great for helping to relieve hot flashes, headaches, sunburns, and more, you’ll get the rest you need and wake up feeling all bright-eyed and bushy-tailed. This cooling pillow needs no refrigeration, and can be reactivated simply by exposing it to the air for 20-30 minutes. Stay refreshingly chilled while you sleep!
Shipping is a flat $2 per item.