I have used the Muzzy Zero effect for a few seasons.......great rest. Just draw and shoot. However since I have been shooting the VFT style BowTechs I migrated away from it due to tweaking issues to get it to work with these bow plus I wanted to try some other stuff. Still highly recommend!
I am using a TT 'Shakey Hunter' right now and it is simple and solid but doesn't offer quite the containment ability of the Zero Effect. Still I have no reservations about using it for any stationary hunting.
Good rest.
I am going to be giving another design a try soon.......an APA "Twister" which offers a FULL containment style in a drop away. The full containment is a big draw for me because I tend to be like a bull in a china shop sometimes while I am reaching for my bow as a deer approaches.

I played with this rest quite a bit at the ATA show and was impressed enough with it to order one.
We shall see.[:-]