Generation Gaps: Lost in the Middle of X and Y

Penelope Trunk's latest blog post about Generation Y led me back to the morbid, unanswerable question each one of us must face and someday answer: Where do I belong? What categories do I fit into? How do I classify myself? Am I a Generation Xer? Or do I belong to the despised Generation Y?

Wikipedia entries on the subject are clear as mud. According to the brilliant editors of Wikipedia, I could belong to four or five different generations, depending on which "expert" you ask. I feel too old to be a Y, and too young to be an X. 

What's left? I need a fraction to express my sense of misplacement and lack of belonging... Or I'll just start my own generation. I'll show them! Take that! Put that in your Twitter!