'Closer' influenced me in so many respects... lifestyle, taste in music, art, emotional. I played that album over and over again for years. For me, there never was (nor, I think, will be) a record that heartbreaking, with such emotional force and eternal production. It felt like it was not of this world, and still does... Majestic, one of the very best albums ever.
That said, 'Unknown pleasures' is a classic too!