Targus has several models of adapters - I would say three or so. Each one fits a variety of brands and includes a good number of power tips that fit only on that brand laptop. Find the one that is good for HP/Compaq and you should be set. I have a Targus as well. Just don't forget to pack it when you disembark!

I'm super jealous of you and your wife... have fun !

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When once you have experienced being a 1K, you will forever fly the friendly skies with your eyes set on 100% mileage bonus and SWUs, for there you have been, and there you will always long to return, every year!