So that we may beat this into the rug:
I will have to say that PADI's term (and other agency's too) of Advance Diver is a bit misleading and has been the bane of the training sect. I prefer the NAUI labeling of OW1 and OW2. The thing that seems to deter students to continue with the PADI AOW is that the term "Advanced" scares them a bit right after taking the OW course.
The truth of the matter is this: if you stop educating yourself in diving, then you will not gain the knowledge and tools and skills necessary to deal with issues underwater, and you may not have the opportunity to explore new avenues of scuba that may interest you. PADI believes that divers may take the Adventures in Diving curriculum right after the Open Water course because, not only does it introduce new diving experiences, it also shows divers that the Open Water course is not the end of learning to dive. In essence the Open Water course from any agency is just the tip of the ice berg, giving you only the essential skills necessary to get you underwater. It does not teach you to deal with problems or how to prevent them, it doesn't show you that diving is more that just a bunch of skills done under the auspice of an instructor, it doesn't teach you about interests that you may have individually, and it doesn't teach you the skills that I personally feel every diver should know and use on every dive.
I personally feel that every diver needs to experience a deep and night dive under the auspice of either an experience buddy or a dive professional. I personally believe that all divers should attain the level of rescue or better; not only will you be a better diver yourself, but more importantly a better buddy. I want to know that my buddy can save me in the unlikely event I can't handle the situation myself.
While it by no means makes you an Advance diver, which has been stated above time and time again, it will make you a better diver. An Advance diver my definition would be one that has a lot of bottom time in a variety of different situations using a variety of gear configurations. And, and Advance diver never stops learning and pursuing new, more challenging dive experiences. PADI's definition of Advance Diver may not fit into the industry or an individual diver's view, however it does promote the need to continue learning and keeps divers diving (or at least that's the hope).
So, go on and take the course and enjoy the experience, but don't stop diving and seeking out new diving experiences. Put in all the bottom time you can, use your own equipment, seek out new experiences, and never stop learning.