A fully FOSS Java passes the JCK. Also:
Java Today: IcedTea's OpenJDK 6 passes JCK, IcedTea reactions, and do Java 6 threading optimizations actually work?
Featured Podcast: j1-2k8-mtT14: Java User Groups International Map
Weblogs: Merging messaging and RPC, the right and wrong things to complain about, and Hudson's top 10 features
java.net Poll: Has the Java 6 Update 10 plug-in stoked your interest in applets?
Forum Posts: Multi-threading and LWUIT, web service attributes in WSIT, and adding rubberbanding and tooltips to JXTree and JXList