Mark's tutorials are just what I needed. So far ( I've only finished my first viewing of the 1st cd) everything is great. He does a perfect job of delivering the material and the amount of information presented is just right. Too often I've seen a tutorial with poor presentation that detracts from the technical material. It's clear that Mark is a true professional artist and he does possess great oratory delivery. I couldn't imagine a better investment of my money  in respect to learning
Carrara 6.  My hat is off to our Moderator.

As for player issues, I've had none using VTC's provided player.

P.S. another treat is his web site,  http://www.markbremmer.com/

Graphic Observations: Many problems can be solved by reading the manual Not all answers are equal Some problems don't need answers