I have thouands of books in my home. It's a pain in the butt sometimes. But, I'll never be without them.
When I read something for pleasure, I want the tactile feel of paper between my fingers, and the smell of paper, from cheap pulp acid stock books to fine linen-based archival quality, books in my nose...
I've tried reading books on my computer, and within 10 minutes I'm going out of my mind, hating what I'm doing. It's not pleasure at that point, it's work.