Hello. I've been detecting with the M6 the last couple of weeks and have been very impressed with it's performance. I had the mxt a while back but I think I like the M6 more. It seems to handle the abundance of hot rocks, where I found these silvers, very well. The half dimes came in at 67 and were only an inch or two deep, the dimes were six to eight inches deep. I found these at an old section of the local park thats now woods. This place is so cleaned out that I can't even get my detecting buddies to detect there. Well the M6 brought a little life back to the old hunted out park. Good luck !