I've been practicing Tai Chi in a local Kung fu training center for a few months. Progress has been slow but consistent. The chi feels quite strong in my hands, but the goal is to maximize its circulation throughout my entire upper torso as I go through the 42 forms. Here's an excellent video showing the routine from beginning to end.
It makes me relaxed just watching it. She flows like water.
The human body and mind will reap great benefits from this exercise. I highly recommend it.