I'm probably a great transplant candidate because my hair is very thick in back and my hairloss has been reversed (a bit). But I'm happy with where I am at, and don't want to get a hair transplant or use concealers. Actually I comb forward, which is popular anyway, and the crown is not anywhere as bad as it looks with the flash. Actually it looks pretty good. I can tell I have regrown hair, and the older hair looks better and thicker, since the top filled in a bit and the crown thin spot is narrower. Look at my 7.14.07 pics I included side shots from each side... looks good.
I am not going to change anything for the entire year, 6 months to go, and then will evaluate. I don't know anything about spironolactone but I heard it's pretty good.