I wouldn't mind a parser. Sometimes I'm just curious. I like the training dummy idea. I don't know about in dungeon though. If you're with strangers, is knowing going to change anything? If you're with people you know, well... you know them. Do you need their parse data? If so, you can just hit up the training dummy with them in a party right?

I wouldn't really know how useful it is though since I've never used one.