Tuff Wheel - opinions/info wanted

Also, if anyone knows, does the 860 wheel come drilled for the adapter or will I have to do that?

The 860 has to be drilled for the Tuff/Rim Blow adapter, and also drilled and tapped for the Tuff horn switch. I have the 860 in my Dart with the factory adapter and horn button, wasn't hard to do, just be sure to mark it correctly before you drill.