Ki-Aikido question?

I was wondering what the difference was between the Aikido of Koichi Tohei and the Aikido that comes from
Yoshimitsu Yamada?

Reason I am asking is that I am still considering getting on the mat in a couple months and that would be Aikido as it comes from Yoshimitsu Yamada. But I am curious about the Aikido of Koichi Tohei because of the emphasis on Ki that I am reading about. My background is mostly Internal Chinese martial arts and we talk about Qi (Ki) all the time and that is why I am...

Ki-Aikido question?