Hey guys, there are some things to understand about guns. The 357 is just a brother to the M57, or the M29, or the M27, or the 329, the list is nearly endless. The general rule (but not conclusive) is its just another N frame with a 4" barrel. Don't buy leather blindly. Take the gun you want to use it with along when you go leather buying. Test it.
With the new and awful fiber optic front sights, pay particular attention to how it comes out of the holster. After that, you're good to go usually.
More specific to the M357 is the idea with all .41 Magnums. Its a handloaders caliber, much in the same vein as the .22 Jets. You can own and shoot one without loading for it, but you end up not enjoying all its capabilities. Many of us who own .41s never shoot factory ammo. Yes, we have a few boxes hidden in our junk. It never occurs to us to use it. Reloads are so much more versatile, its the order of the day.
Back to leather... One thing to keep in mind with the Scandium guns is they're so light, the holsters we originally bought for steel N's often make you wonder if you lost the gun. Many of us own (I'm wearing one as I type) big thick leather belts. We bought them to properly support a 3# crew served M29 or M57. The lightweight guns just vanish when you're used to lugging heavyweights around.