Update: The new Z profiles are much better, in my opinion. They’re for sale here: Jim Lill’s Official Country Kemper Profiles
The old Z profiles were done in a relatively small, totally untreated room with a 1×12 cab and a single Shure mic, and there’s only a few different settings available.
The new Z profiles were done outdoors with a 2×12 cab and two mics, one Shure and one Ribbon, with a ton of different settings available.
I only use the new profiles now, but if you still want the old ones you can get them here: