I was just looking for offspring singles, when I came across this Promo-CD:

http://www.marktplaats.nl/a/cd-s-en-...reviousPage=lr

Is this a CD that the label would have sent to the music-journalists before the album got out?

I've seen this one before, a while back, and it hasn't had any bids since. So I guess there's no demand for them.
So does anyone have promo-cd's? Are they rare? And what would they go for?