Summary: I honestly can't believe Targus' original price on these units. I'm very glad I paid less than $10 for this thing.
Pros: I'm using it to cool an old Linksys WiFi router running Tomato. It works OK. It's very quiet when stationary (see Cons though). Also it was very inexpensive.
Cons: It's not built all that well. Picking it up when it's running yields terrible fan noises, as does putting any slight pressure on the fan grills. I believe if this cooler were moved around a great deal it would fail very quickly. Also, there is no pass through on the USB plug, so I chose to power ...
Summary: I thought this would really help me out since I use a netbook and am always on the go due to my business travel. Since netbooks aren't top drawer in the heat-sink dept anyway, I knew I needed something portable and easy to use.