Number 1 In Service via Amazon offers Prime members the Targus Netbook Chill Mat, model no. AWE39US1, for $4.99 with free shipping. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $9.06.) (Adorama charges the same.) That's tied with our May mention and the lowest total price we could find now by $19. It features two fans.

Amazon Prime membership is $79 per year; however, Prime is free for college students for six months, and free for parents and caregivers for three months.