(Just messin' with you.)

As for Bono's chain...
It's interesting that he was using the amount of gear he did when he only played on 2-3 songs per show during Vertigo. For the most part, it was the Elvis Dove for things like "Kite" and the Irish Falcon for "One".
It's also interesting that he had a Line 6 MM4 AND the MM4 Pro (rack version) AND he's both version of the Line 6 Delay Modeler with the DL4 and DL4 Pro (rack version). That said, I wonder which AMP MODELS he was using from the Line 6 AM4.
BOSS AD-5 acoustic instrument processor
BOSS SD-1 Super Overdrive
DUNLOP DCR-2SR Rackmount Crybaby Wah system
LINE 6 Echo pro (rack mount version of Line 6 DL4)
LINE 6 Mod Pro rack mount version of Line 6 MM4)
LINE 6 AM4 amp modeler (the red amp modeling stomp box)
LINE 6 DM4 distortion modeler
LINE 6 MM4 modulation modeler
WHIRLWIND A/B/Y switch with E-D# written on it's side
Controlled by a Skrydstrup controller (same brand of controller that Edge and Adam also use)