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
If the pawn shop jobbie doesn't work well, you could be turned off to a wonderful hobby. I say to go for a name brand that has a warranty. Course they cost more, but you at least will have one to start out that you'll have confidence with.
Time is the only thing you never get back, don't waste it.