is there a reason why you do not use your studio monitors for gaming? what about them do you not like for gaming?
to be honest, any good headphone is better than the astros. only when limiting yourself to "gaming headsets" are the astros decent though real headphone based designs like the mmx300, game one, adg1, etc. if you wanted something that has advantage for gaming, then sets like the ad500x, etc are good for bass light audio.