Good news for Apache Derby - another Big Company has gotten behind Derby
and is providing support for it. Sun's Java DB is now officially
available for download at
http://www.sun.com/download/products.xml?id=44244f49
Java DB's "home" can be found at
http://developers.sun.com/prodtech/javadb
Also, the article talking about how to use Java DB in the desktop got
top billing at http://java.sun.com
http://java.sun.com/developer/technicalArticles/J2SE/Desktop/javadb/
Disclaimer: if you hadn't noticed by my email address and my enthusiasm
for Java DB, I work for Sun :)