Boy - Twilight
October - Rejoice
War - Like a Song...
The Unforgettable Fire - Indian Summer Sky
The Joshua Tree - Exit (I might go to the version from R&H though...)
Rattle and Hum - Heartland
Achtung Baby - Love Is Blindness
Zooropa - The Wanderer
Pop - Do You Feel Loved
All That You Can't Leave Behind - Kite
How To Dismantle an Atomic Bomb - A Man and a Woman
No Line On the Horizon - No Line On the Horizon
Songs of Innocence - Iris
Boy: Twilight
Oct: Tomorrow
War: Like a Song...
TUF: Elvis
TJT: Bullet
R&H: God II
AB: Acrobat
Zoo: Zooropa (or like my phone likes to call it: Sourpuss)
Pop: Mofo
AYCLB: When I Look At The World
Bomb: Mercy
NOL: No Line
SOI: Cedarwood
It does depend on the person, but usually I share Streets, Bad, 40, or Beautiful Day, all live versions of course.
I actually showed one of my Christian friends a video with Yahweh and 40 from the Chicago DVD and she thought it was surprisingly religious for a rock concert.