The throatless shear is looking like the best ( and safest ) choice.
I wouldn't recommend it, but i use my finish carpentry chop saw with a sixty tooth carbide blade for cutting copper and aluminum drip edge. The soft metals don't seem to bother the blade any. A carbide blade will even tolerate the occasional nail bedded in a piece of wood.
Table saws are tricky. They're okay for rip cuts but they aren't well suited for cross cuts.
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