Although I like David Coulthard, I never thought that much of him as a driver. Mika was way faster, David couldn't qualify for crap, his success (in my mind) was because the McLaren was the best car on the grid. But, as a commentator/analyst, I think he's terrific.
Have always been a big fan of Jim Clark, this piece David did on him and the Lotus 25 is really, really good (it just came out, ya gotta watch):