Sorry so late. Facebook is the media of choice these days. It's swarming with events. Check out PALS on facebook: http://www.facebook.com/#!/paintballasia
The liasons are Allan Phang and Mazzy Mao, both on FB as well.
I just attended the 2nd leg of this years series in Malaysia (Kuala Lumpur) and it was the best time I've ever had at an event. Top notch venue and people. I would love to live here and compete regularly.
Hope that helps.