I just had the Northwest Tan service done, and it was a wonderful experience. The woman at the front desk was warm and helpful, and I was taken to the body treatment area almost immediately. I was asked to change into a robe (very soft!) and sandals and lock all my things (clothes, purse, etc) in a garment bag attached to a hanger. You have to hook the key onto your robe, and I thought it was a pretty neat idea...I felt my belongings were safe.
I then sat in a dim, relaxing area of the spa and was offered a beverage. I probably waited about 10 minutes, then Michael (she's one of the body treatment/massage gals) came out and gave me a basin of warm soapy water to soak my feet in, along with a warm neck pillow which really helped me relax. I was asked to fill out a form that asks about areas of concern, medical issues, etc. When I was done, I was shown the Vichy shower room where my treatment began.
About the treatment itself - absolutely wonderful! The exfoliation was quick but nice, and the Vichy shower was AMAZING...I highly recommend it. Although I was sans clothing, towels were draped over my chest and bottom half the entire time, and I never felt exposed or uncomfortable. The shower both stimulated my body and completely relaxed me - it even cleared my sinus congestion that had been annoying me for the last couple of weeks. When it was over, I could feel a difference in how soft my skin felt. Next came the tanning application, and that was extremely nice. Think of a light-touch full-body and facial massage, and that's pretty much what you can expect. It left me with a nice golden color from the color guide. I haven't showered yet, so I can't speak as to how the final color will look, but so far so good. It's a little "splotchy" in the face area, but I didn't exfoliate my face before-hand, so I'd advise anyone getting this service to do so.
I didn't experience any of the problems other posters did, and I'd recommend this spa to anyone!
Pros: Parking, hours, treatments
Cons: Can be expensive