There are some false (at least as far as I know) rumours going around concerning the dEUS-appearance on Pukkelpop.
I checked dEUS.be once again and I read this item.
This is what I conclude: there will not be a concert. You will only be able to listen the entire album and to watch all dEUS-videos from the No More Loud Music-dvd. The video for 7 days, 7 weeks will not be shown!
I don't think the Pukkelpop-organisation would not announce a dEUS-concert. It's their aim to get as many people as possible...

(thx to Quinten who scanned this article from Metro)