ladybugs

I have been vaporizing since October 2009 and I will never go back. I have been using a two part system and the company has eliminated my favorite flavors. I am now looking into a 3 part system and my mind is a jumble. I do not know what is best as there are so many different systems. I have watched a lot of the videos as to how the system works. How do I pick which one is best and not waste money. I would like to be able to use all of the great flavors. Can someone send me in the right direction. Thanks in advance. Pat