Spa Sinks

I am a nail salon spa .. and I am very confused in choosing presidents pedicure! What do you prefer when ur nails? a massage chair with a sink or a Jacuzzi normal chair at ease with a sink on the floor? both very luxurious .. I do not understand! I need detailed answers pleaase soon as possible: (

Why not 50-50 split of chairs to be able to offer two options to your customers? Personally, I prefer the normal chairs.