The answer is, it depends what you are comparing them to. I have a set of Burners and the lofts are generally about 3* stronger than the previous set of Callaways I had. Manufacturers tweak lofts often, it is an easy way of "getting more distance". Persoanlly I don't care if my club is labeled 6, 7 or 8 as long as I know how far I hit it. I would actually prefer that all clubs drop the numbering and just put the loft then there is no guessing from one set to another.
As for the OP, I like my Burner's quite a bit. I don't really find them clunky for me. All swings are different but they seem to suit mine well.