I am not an expert but my understanding total cholesterol is not a great marker and has been artificially lowered recently.
HDL lipoprotein going up Triglycerides going going down are both good signs I would keep going.
OH you should also read the recent posts on the Marks Blog
The Straight Dope on Cholesterol: 10 Things You Need to Know – Part 1 | Mark's Daily Apple
The Straight Dope on Cholesterol: 10 Things You Need to Know – Part 2 | Mark's Daily Apple
Eating primal is not a diet, it is a way of life.
Don't forget to play!