What kind of GPS do you use to Geocache?

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I heard about geocaching around the time it came out, but figured I could never do it because at the time GPS was a new technology being sold the the masses and very expensive. Being many years later, GPS is a common commodity and Google with their terrain view, finding caches is now for everyone! I recently acquired a family member's old hiking GPS, the Magellan SporTrak Pro. I haven't kicked the habit of using Google Maps yet, but I'm hoping to get out and test the Magellan later this week. However, since it's old, I'm thinking about acquiring another GPS. What GPS device do you use? Please provide the company and model (if you know it). Thanks for your help!