I had purchased a G2 from Bart at Big Boys and also now have an M6 coming as well; based on some reputable advice I decided to try these two out. I have gone on a couple of short hunts with the G2 so I don't have much feedback on it yet; I'm on the fence still before I decide to love it or hate it. First of all, the detector is super light weight, I like the single battery and the screen is super easy to read. It's not built like a Whites for sure, but there is a weight difference between the two brands. The tones sound like a fart for the grunt tone and the high tone is reminiscent of a dolphin. I find headphones are quite necessary to hear those deeper targets with how it sounds off on deep signals. The depth reading is not very accurate for me, but I will keep testing to see if it improves. It absolutely loves bottle caps, to my utter disappointment
It would not be so bad but they ring up in the high 70's-80's where my pennies, dimes and quarters come in at. I have read about techniques to id those caps, but it's not fool proof yet but I'm trying some of Dave J's suggestions as well as Monte's techniques. I'll just have to work on it to see if I can get them figured out. It's taking some getting used to with only 2 tones when I came from a dfx with hundreds of tones. I get hung up hearing that high tone and look down to see its a VDI I may not want to dig but it also depends on the discrimination I set it on. I started low at 40, they started moving up as the sounds and signals flooded me so as not to get overwhelmed from the sheer feedback I was getting. Note, I was in a very trashy park that would give a ton of signals per sweep in most cases. It has some good things going for it, just not sure if it's what I really need for park hunting. I seem to notice a lot of relic hunters who love it and find coins as a bonus. I don't know how many coin hunters use it in trashy parks such as what I do for my type of hunting. I did find a ladies silver ring with it that rang up like a quarter, so I can't say it doesn't perform, it just may not be suited for me is all.
It would not be so bad but they ring up in the high 70's-80's where my pennies, dimes and quarters come in at. I have read about techniques to id those caps, but it's not fool proof yet but I'm trying some of Dave J's suggestions as well as Monte's techniques. I'll just have to work on it to see if I can get them figured out. It's taking some getting used to with only 2 tones when I came from a dfx with hundreds of tones. I get hung up hearing that high tone and look down to see its a VDI I may not want to dig but it also depends on the discrimination I set it on. I started low at 40, they started moving up as the sounds and signals flooded me so as not to get overwhelmed from the sheer feedback I was getting. Note, I was in a very trashy park that would give a ton of signals per sweep in most cases. It has some good things going for it, just not sure if it's what I really need for park hunting. I seem to notice a lot of relic hunters who love it and find coins as a bonus. I don't know how many coin hunters use it in trashy parks such as what I do for my type of hunting. I did find a ladies silver ring with it that rang up like a quarter, so I can't say it doesn't perform, it just may not be suited for me is all.
The downside to all of this is I will be selling the G2 now 
It is a little busy for me when I came from other units where I could notch discriminate and I am also wanting to try out other machines so this one will have to find a new home. It is a really good detector and there are people here who just love them and wouldn't part with them for any money, but I'm on the fence and going to see if the grass is greener in other pastures before I consider this one again.
----Thanks for your report.---------Del