sen hd280. kaya i bought a few for the studio. hehehe.
sound is richer (while staying neutral), isolation is sufficient (while staying comfortable, not too tight).
for sound isolation, vic firth
VF reduces by up to 25db lang, while the HD280 reduces by 32db. I haven't compared A-B to see if the difference matters (I haven't had both at the same time e), pero the (published) numbers say HD280 wins in isolation.