Thanks for the reply. To answer your question, my brother & I both took the mtDNA to test the accuracy of Ancestry's DNA testing before it took me in the wrong direction. They obviously failed the accuracy test.
I have been very fortunate in the past with my paternal research & have solid documentation back to the 1500's. My maternal line is my brick wall,Cherokee, Irish & Scottish. I had hoped the DNA testing would help me to break through that wall.
Sounds as though you are making great strides on your research. I too have been doing genealogy for quite a long time and I love it!