The following links point you towards those posts in which the authors have hit the nail of significant tango issues squarely on the head.
Tina Tangos:Embracing the person
Sallycat’s Adventures:When tango cultures meet
Royce’s Tango Thoughts: Saber Milonguear part 1 & part 2
Alex.Tango.Fuego: On Tango :: A Letter To My Friends
The Topic is Tango: How Can We Have More Men in Tango?
Words That Sing: Tips for a first tango visit to Buenos Aires
Vos también tenés tu historia: Honesty
Carrie Whipple (via Alex.Tango.Fuego): Tango Demons
The teamwork required to dance tango well is so much more important than any one person’s individual technique.
Ms Hedgehog: The Beginner’s Questionnaire (on request from Alex)
Suppose that you’ve never done a partner dance before. You take a deep breath and you jump in. You don’t know what’s normal or where you are going, but you are intrepid. How do you know if you’ve been to a good class? What should you have expected? Did you waste your time?
My Tango Diaries: An Intimate Mixture
Tango Pilgrim: The Embellishment: An Approach to Understanding Them