There's an excellent interview with Feng Shui designer Robin Laws on the Treasure Tables GMing weblog:
http://www.treasuretables.org/2005/12/interview-with-robin-d-laws
Most game designer reviews are godawful, but this one gives the sense of actual interaction, contains intelligent questions, has diverse and good advice, and ends with the following:
I think that's really good advice — so read the interview, and then get your Feng Shui on, everybody!