I think Max has it about right. Cub or Chippy are nicely behaved aircraft that will still teach you a lot about flying. I did my initial tailwheel endorsement on a Decathlon, which is a delightful aircraft but really too easy to be truly representative of the class. I found this out when I went to an Auster! I am in awe of W8 and the dyed-in the-wool Auster guys. While being able to turn in OK performances in a Tiger Moth or C180, I still harbour ambitions of being able to master the J1 to my satisfaction before my dotage.