The exact same as transfer out of normal S3? Don't get me wrong, I am as big of an AWS pessimist as one is likely to stumble across.

I guess I could reinterpret your original comment as "Have fun paying a fortune if you need to get those files [out of AWS] again."

instead of my original interpretation "Have fun paying a fortune if you need to get those files [out of Glacier] again."

Agree!