I must admit that I have not had much confidence in my Zed. Yea I've found a few small nuggets with it but given the choice I usually grab the 2300 when I want to find gold. I understand the 2300's language much easier. The problem with the Zed for me was the ground noise. It was distracting me to no end. I felt like I could be passing over a deep nugget and miss it due to all the chatter the machine was making. My other problem was having never dug a big deep nugget I had no idea what one sound