Was going through some of my pictures and found some of the first nuggets I found with my Minelab GPZ 7000. These three nuggets were found on one of the first couple of hunts with the new detector. I picked a handful of old nugget patches that were hammered, but also had potential for some deeper nuggets. I remember the first month or so since I was learning the detector, I was hunting in High Yield-Difficult.
This particular patch was hunted pretty hard with the GPX series with coils up to around 14-inch round and 17-inch elliptical. The three nuggets found were faint, but missed as they were right out in the open and between other older nugget digs.
Total weight of the three nuggets was 9.5 Dwt's. The largest was 4.4 Dwt's in weight. I didn't pay for the detector the first day, week or month, but I added $500-600 towards the purchase of this expensive detector in a single day due to it's depth ability.
I find the GPZ 7000 to be a bit less ergonomic then the GPX series for me, but it's hard to not use it due to it's ability to find very tiny and large gold at depth.
Since I have owned the Minelab GPZ 7000 metal detector (mid 2015 - current) I personally have found hundreds of nuggets ranging from just a grain in weight to the largest being a 6.8 ounce gold-quartz specimen in the Youtube video below. This piece was pushing 3 foot in depth and took my partner and I well over an hour double teaming with picks to get down through the hardpack to extract the piece. The response was just a faint signal with the 14x13" coil from the surface.