Hell, we oldies, when playing the minister gig have been known to put on the dog collar and go where no man was supposed to go and, using CoHA as some sort of magic wand, inferring it to be the Bible, use it as a passport and symbol of entrée to where normal mortals had no entry!
Contrary to church guidelines, I solo'd several of these processes on myself about a month after reading Dianetics, right in my bedroom or living room. I also ran some from Science of Survival. One of these processes (can't remember which book it was from) enabled me to leave my body, providing first hand knowledge of my separate existence from body. That's my biggest spiritual "win" to date from any religion or philosophy, so I guess it counts as a "Good Experience in Scientology". I never had much auditing, so most my other good Scientology experience is from good times in Hollywood with other Scientologists. Also felt awesome during and after the Purification Rundown.
Leaving the body sold me on everything LRH. If not for that experience, would not likely have joined Sea Org.