Beware, Targus just recalled half a million laptop power adapters as reported by Engadget. The adapters are actually made by Comarco and the reason for the recall is that faulty wiring could cause the connector tips to heat and melt their plastic casing, posing a burn hazard to hapless users that try to unplug it. 518 incidents of the tips heating have been reported to Comarco with 53 of the incidents resulting in the plastic casing melting. Eight incidents of a hand or finger tip being burned have been reported.

The recall is for Targus Universal Wall Power Adapters for Laptops and the SKU numbers of the models affected are:
APA23US-02
APA23US-03
APA23US-04
APA63US-03
APA63US-04
APM62US-03
APM62US-04
The SKU number can be found on the bottom of the adapter.

This info site from the US Consumer Product Safety Commission recommends that anyone that has one of these adapters should stop using it immediately and contact Comarco. Contact info for Comarco is posted on that website.