[Skunkworks] Handheld GPS sellers

Hey Skunks, Anyone with any leads as to where I can get a handheld GPS reciever that can calculate acreage or area of land by walking along its perimeter? or who knows of a garmin or tom tom reselller in nairobi? -- Regards, Mark Mwangi http://mwangy.wordpress.com Skype : mark.mwangy