It's pretty damn good. I'd give it a 9/10. My favorites are Ghost, Promise, By The Sword, Nothing To Say, and Doctor Alibi. I think the first half (up to Gotten) is a lot stronger than the second.
With that said, their is also some pretty bad songs. My strong dislikes are:
Crucify The Dead (Ozzy ruined this song, could have been great)
Watch This (With Slash, Duff and Dave, this could have been the best song on the album. But an instrumental was a poor choice for these 3)
We're All Gonna Die (Seriously, I expected better from Iggy Pop. I kind of figured it would be something along the lines of I Got A Right, and was utterly disappointed)