I'm glad that I saw The Road, but I'd be hard pressed to say that I enjoyed it. As ERNO said, it was "melancholy", and bleak, and depressing. It's one of those movies that really leaves you feeling there is no hope for mankind.
I hated the movie Starship Troopers, but loved the book. I'd put the movie into the same catagory as Sky Captain & the World of Tomorrow.