Excal 1000, Excal II, Sovereign GT, CZ-20, Tiger Shark, Tejon, GTI 1500, Surfmaster Pulse, CZ6a, DFX, AT PRO, Fisher 1235, Surf PI Pro, 1280-X, many more because I enjoy learning them. New Garrett Ca
This would take to long to do here as they are like apples and oranges. Your best bet is to go look up the field tests and compare the two.
If you need a screen to lie to you, get the MXT. If you want to dig anyway, get the Sov. GT. Personally I use the Sov GT with a inline probe and am thinking of taking off the meter as I don't use it.