This may be a mentioned and slightly looked down opinion but would it not be better to get both a unit that is both useful and one you really want? I have been scouring both the ranged and melee lists to narrow it down to those two criteria. I ended having to chose between Kayou the kitsune and Estelle. I ended up going for Kayou for being cheaper, more active skill use, low skill level, skill details, and for noticing that a lot of maps seem to favor melee over ranged recently and class details. That and I really like kitsune. Is she the absolute best unit out there? No, she isn't as there is no perfect unit but she is useful and I wanted to get her. So would it not be better to go in with this line of thought?