Personally I hate bible ping-pong. I don't think it ever gets anywhere, I don't think it solves anything and I don't think the participants ever make any head room. However I will say in this case, I have been proven wrong. I've never personally seen anything like this, the trinity is explained to a JW in perfect logical sense and the JW admits that the trinity does make sense and will "go do research" on the subject.
Here is a link to the first video in the series, it is 1 of 14 so prepare to sit a while to watch. I'd be interested to see any active JWs reaction to this video series:
Here is a link to the playlist on youtube so you can just click on play all and watch it like a movie.