Cook Ding's Kitchen: Rhythm and Flow in Taijiquan Practice

Cook Ding's Kitchen: Rhythm and Flow in Taijiquan Practice: Thoughts on Tai Chi had an interested article on developing rhythm and flow in taijiquan practice, which I think applies to all martial arts...

Finding the Elusive Internal Energy in Tai Chi and Qigong

Meditation with Patrick Kelly: Methods, Mind States, Q&A

Chen Style Taiji compared to Yang Style (Master George Xu)