1) It's FMA with Christian imagery in place of alchemy.
2) Allen is a less bratty Ed.
3) Any villain who tacks ♥ onto all his lines is awesome.
4) Komui rules. Will have to read more to decide whether or not to take him on

Not in love yet, but that has more to do with my mood at the moment than anything else. I was lukewarm at first with Bleach too.