I'm on the trans-masculine side of genderqueer, and I keep flip-flopping back and forth between a breast reduction and top surgery (chest reconstruction). My dysphoria is comparatively not that bad, but I often wish my breasts were much smaller or non-existant. I am concerned about scars and loss of nipple sensation, though.
And it's kind of weird because I feel like it's a terrible shame to waste such nice boobs that would look great... on someone else. My (also trans*) girlfriend and I joke that we should really trade boobs, and then everyone benefits!