in need of .357 magnum rounds

I have the same rifle, and am looking for the same thing...

I've been shooting a 12ga with hydra-shok slugs (they're only sold to law enforcement... don't ask). I've stuck with them because they've instantly folded every pig I've shot with them... and since I'm shooting over the dogs, that's exactly what I want. But I'm taking a buddy to Caney Creek and he wants to use my shotgun, so I'll be using the lever gun. So I've been thinking why not stick with what has worked in the shotgun and get 357 hydra-shoks for the marlin? But this post has me wondering now...

Anyone here tried 357 hydra-shoks on pigs? Were they good/bad/indifferent?