For what its worth, I have no clear idea about what I want. But I'm also just starting. I just know I've spent too much time getting jealous every time someone talks about how they started or talking about effects. I know I'm bad at predicting what I would want, likely thanks to lots of years of repression. Worst case, it does nothing to benefit me but I'm quite certain I wouldn't find the effects to be negative. Was weird for me starting too: I've long thought it kinda strange that other people reported starting uncertain and being very happy with the results. One thing I was most uncertain about was breast growth since functionally they're useless and just extra weight bouncing around, but I didn't want to use SERMS because higher risks of side effects (I already break my bones just fine without osteoporosis). But trying out cosplaying as a feel character while wearing breastforms just seemed normal. So I feel pretty confident I wouldn't have a problem with that.

Also, I kinda don't want goals, because I feel having goals can mean failure to achieve goals and potential disappointment. So much YMMV with things.