[cporro]

i like my akg 240s for checking mixes. but i never use them for
tracking vocals since the vocalists i've tracked with like to monitor
at the threshold of pain and that would bleed into the mic with an
open headset.

Etymotic in-ears. i use these and some gun muffs. i think your rec
scott. i like the Etymotics and can listen to them a long time. not
sure which models i got. take a bit of time to get them in and out of
your ears and you have clean them after a bit. but with gun muffs they
would great for figuring out mic placement. probably over 40db iso.