I bought this for when my computer's fan was on the spritz, but I barely used it because I just ended up getting a new fan installed. So it's basically like new, works great, and is convenient because it's USB-powered and really quiet when it runs.

I bought it from Best Buy:

http://www.bestbuy.com/site/olspage.jsp?skuId=6211752&st=targus&lp=7&type=product&cp=1&id=1074788100200