An interesting topic, I found out a long time ago that I am not overly picky and I enjoy them all regardless of shape and size. Two contrasting models can both be found at Rosewater, Jessi = big soft sensitive, Crystal = firm sharp pointy. If you are not restricting yourself to RMTs, try Maze@WB or Vivian@SBB, they are both in town right now, both have amazing nipples, and both provide great services, of course, YMMV.