U2's 2002 homecoming gig might impress more, if not for a prior DVD off the same tour with a dozen overlapping songs. But the show is as spectacular as it is repetitious, and that castle makes a nice, Red Rocks-ian backdrop. The bonus featurette, a 1984 making-of-''Unforgettable Fire'' promo reel, shows the then youngsters recording inside Slane, oozing earnestness.

