Laptop cooling fans?

Has anyone used these? my stupid fucking computer fans won't work so i was thinking of buying two of these.

http://cgi.ebay.com/USB-fan-Laptop-Notebook-PC-Cooling-Cooler-Pad-stand-Bla_W0QQitemZ250457488373QQcmdZViewItemQQptZUK_Computing_LaptopAccess_RL?hash=item3a506dfbf5