Back in the 70's I read every Golf Digest and actually attended a Golf Digest school at the Lake Geneva Playboy Club. It will always be one of my fondest golf memories. The school was led by Bob Toski, Peter Kostis, and John Elliott, Jr.
Now I read Golf Magazine, because I go to the local golf show and get a free subscription with my admission price.
If I had to choose one of them I would lean toward GD.