Kai (or “der m√∂gige Kai" as most of you might know him) has recently written a blog post called “"http://www.kaijaeger.com/java-swing-is-not-thread-safe.html”>Java Swing is not thread safe”.
To my surprise, the guys from the Java Posse discussed his blogpost in their recent episode #196
Listen to the part about Kai’s post:
java-posse-196-kais_blog_entry
UPDATE: And here is Kai’s answer