Fair play. I'm the same with books, if it's just something I want to read once and probably never pick up again, I'll get a cheap kindle copy... But if it's something that I know I'll love, or that is from an author I really love, I'll pick up the physical copy.
Case in point, friend recommended a book, £2 digital copy, Murakami released a new book "Men Without Women". Hard copy, day one order.