We traveled to the MAC store and she purchased a blank eyeshadow pro palette to let me fill. Isn't she the best?!
You can choose to fill 4,6 or 15. I chose to fill 4 since I am just starting out and here are the colors I chose:
These eyeshadow palettes are great ways to start. Here is a list of MAC eyeshadow bestsellers if my colors aren't your pick.