If I had to buy one again, I would probably pick the Porter Cable. The only reason to pick the Leigh over any of the others is if you wanted to vary the width of the pins along the joint. I probably spent more time figuring out where I wanted pins and fiddling with the jig than I did actually cutting the joints.
The porter cable 4200 series only does 7 degree dovetails which i don't think look very good.
Dovetail Jig Reccomendation
in Woodworking
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The porter cable 4200 series only does 7 degree dovetails which i don't think look very good.