i had 350-400 going into each, just make sure you're not distorting the crap out of them, etc...
just don't be stupid and you'll be fine...
but 300-350 each should be plenty...get them a nice ported box and you'll be smiling...
i sure was, especially since i got them at the initial sale //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif