If I may, I would check out Mystic Tan. I'm partial to it because I've worked with that company but now I work for Palm Beach Tan. Mystic Tan launched a new booth that anyone can really enjoy! Its called the MyMist and takes the technique of airbrush and the technology of Mystic Tan to deliver the perfect tan every time! You really should consider it! Just go to any local Palm Beach Tan location and have them show you, walk you through it, and watch the video then you can decide.
Now, another suggestion as I'm now on the tanning salon side, you might want to get some actual sun before you go on vacation. Airbrush or Mystic Tanning does not prepare your skin for sun exposure. If you are wanting to avoid burning on vacation then you need some actual sun. The salon staff can walk you through the best plan for you and to find something you're comfortable with. If you still simply want color then Mystic is a great idea as well. Both the original booth and Mymist booth are in almost all of our stores!
Let me know if you have questions! :o)
All the best!
T.