The Dead Kitten serves as a Windshield in any situation when I'm recording outside; I bring it to live events with the recorder being part of my camera rig, as well as when just recording auxilliary sounds or the atmosphere of outside places.
It's also fine for interviews, since - apart from seriously reducing pops and exhale noise - it hides the equipment to some degree, not distracting as much as all the blinking LEDs found on handy recorders and other flashy stuff you could pull this thingy over.
I once lost valuable time where my partner got distracted by a clipping LED triggered by his cough. I highly recommend covering.
Speaking about pros and cons, I love everything about this thing. Only one thing - I removed the "rode" flag thingy on my Dead Kittens to improve visual homogenity (less distraction) and avoid a harsher noisy sound that may appear when accidentially touching it.
Speaking about sound clarity - yes, it removes some little amounts of the higher frequencies, but it is far from sounding dull - to be true, I'd say it even sounds more natural by dampening the overly crisp treble tones digital equipment tends to emphasize.
