Are any members on here familiar with these albums? They're regarded as U2's best efforts, but which do you prefer? The earnestly anthemic, universal The Joshua Tree or the Euro-groovey, introspective Achtung Baby?

Where the Streets Have No Name vs. Zoo Station
I Still Haven't Found What I'm Looking For vs. Even Better Than the Real Thing
With or Without You vs. One
Bullet the Blue Sky vs. Until the End of the World
Running to Stand Still vs. Who's Gonna Ride Your Wild Horses
Red Hill Mining Town vs. So Cruel
In God's Country vs. The Fly
Trip Through Your Wires vs. Mysterious Ways
One Tree Hill vs. Tryin' to Throw Your Arms Around the World
Exit vs. Ultraviolet (Light My Way)
Mothers of the Disappeared vs. Acrobat
The Joshua Tree vs. Achtung Baby