I went for 7. My excitement pushes me up to 8 or 8.5 right now, but it'll subside. It's a great album. I don't think it has the two or three classic songs required for 9 or 10. It has no song to rival Beautiful Day, and definitely nothing to match the stock 80s U2 classics ala Pride or Streets.
I'll just add... NO U2 ALBUM since Achtung Baby is so consistently good, and has such a solid second half. I love SUC through to Cedars, plus I am all over the first 4 songs. Achtung has this album beat in terms of it's classics, and also because The Fly/Mysterious Ways is a better second half opener than Boots/ SUC.