Well, I've been holding on to some good news when it came to this franchise, but I'll get to that later... :P
For now, look at this:
The second volume of the Twelve Kingdoms novel, titled "Sea of Wind", is due on March 11, 2008, only a few weeks away!
Here's some links on where to get it:
This is going to be about Taiki's journey in the land of Tai. Should be interesting to read, as his story didn't get a big chunk of the anime series to get told.