We love Serenity Pet Spa! We have three Aussies, it is the only groomer we would take them to and have been customers since they first opened. Celeste (who has groomed other dogs, as well as my show dog, for years previous to opening a business) and Amanda are great with the dogs, even our youngest who is often really shy around people she isn't used to, and they always do a fantastic job. The dogs are also spoiled with treats while they are there, so they love it.
Every time we have been there all of the other dogs I've seen leaving have also always looked wonderful. They have always only taken cash or checks and asked that dogs be dropped off in the morning to be picked up by 4pm, so I think the issue with the reviewer below is just that she didn't take the time to research the business on those two points or maybe she missed the information some how. As for the rest of her complaints, I can't imagine any dog looking horrific leaving this groomer so if you are a new customer don't let it deter you from giving them a chance. As I've said we have gone to them for years and wouldn't trust anyone else.