newegg offers the Cooler Master NotePal U1 Notebook Cooler (pictured), model no. R9-NBC-8PAK-GP, for $15.99. This $10 mail-in rebate drops it to $5.99. That's the lowest total price we could find by $11. (We saw it for free after rebate with pickup in September, since expired.) This cooler, designed for notebooks of 14" or less, sports an aluminum mesh design and 80mm fan.

Also available is the Cooler Master NotePal X-Lite Notebook Cooler, model no. R9-NBC-XLIT-GP, for $14.99. This $8 mail-in rebate drops it to $6.99. With free shipping, that's the lowest total price we could find by $13. This cooler, designed for notebooks of 14" or less, features a USB extender and 140mm fan. Both rebates end November 30.