walknred,
If you were trying to have a child would you have sex through a DVD? :-)
I know that sounds pretty ridiculous but so do the attunements by DVD to me. I'm sure that there are some people who believe that they have received an attunement through this process but then there are also people who believe they are pregnant and show all the symptoms without actually being pregnant.
A distant attunement by a Trusted person is, while not the preferable way to receive an attunement, infinitely better than wasting money on a DVD.
If the person in question is not willing to teach a class I would conclude that I wasn't 'meant' to learn from them and look for another instructor. If you think he will eventually teach then by all means wait, or take the class from someone else in the interim and then again when he makes his decision.
Walk in beauty,
Rebecca