The Fisher Gold Bug 2 has been around for decades and is well known as one of the most sensitive metal detectors on the market. It has been the gold nugget detector of choice for many over the years. There really has never been a Gold Bug 3 - though some have asked for it. Fisher has now updated the user interface of the GB2. However the features and the guts of the detector remain the same but the user will now have an easier time of operating the machine. It is still a manual ground balance ma