I've only stayed in one "Luxury Hotel". The Ritz-Carlton in Pasadena, CA. It was very nice. Just a weekend stay with a friend to relax and enjoy the spa. Polite, friendly, and accomodating. But never over bearing. The hotel I stay at most frequently (a lot, really) is the Sofitel in Los Angeles. Comparable to good Sheratons, Westins, Hitlons, etc. However, they do include "luxury" touches such as Duvets instead of blankets, robes, 24 hour room service, name brand soap/shampoo, etc. They have bellman that will take your luggage to your room, although I've probably only taken adavtange of that two or three times. However, it's not in the luxury class like a Four Seasons or anything like that. Still, it's very nice.. Since I'm a regular guest, I'm known by a lot of the staff, and IMHO, that's better than being an anonymous guest at a Four Seasons or Ritz-Carlton.

Also, don't forget a lot of luxury hotels also largely as business hotels during the week, especially ones in business and financial districts in large cities. Also,larger resort type luxury hotels will typically have a great deal of meeting space, catering to business meetings, conventions, and events. There is a lot of cross over.