OK, I have been out of the detecting game for about 8 years...prior to that I had detected for about 15 years and tried nearly all brands out there. But the best detector I ever owned was the CZ-5. So how does the CZ-3D compare to an old CZ-5? I have a Teknetics Gamma right now and I do like it but would like to add a CZ-5 or 3d to the arsenal.