I think Koenig is one of the best commentators out there.
When I lived in the UK I had to put up with Andrew Castle. It almost meant I had to watch tennis with the sound off, he is so bad.
Koenig's tennis insight is usually very good and whether he is a Nadal fan or not, he usually gives Federer a lot of credit.
Every breath you take contains an atom breathed out by Marilyn Monroe.