The exact download is:
http://prdownloads.sourceforge.net/jbos ... p?download
Unpack the zip, read the "readme.txt". It should contain the same text I pasted above.
As for "near and dear", the most important missing feature for our project is the "prefix=" feature from the old generator.
We maintain hand-coded DAO's that extend the raw hbm2java-generated classes with helper methods, constructors, etc. The hand-coded DAO's are version-controlled, and the base classes are automatically generated as part of the build process. The generated classes all have a "Base" prefix, so that the DAO declaration looks like: public class Thing extends BaseThing.
It would be possible to get the same result by sticking a <meta attribute="generated-class">BaseThing</meta> on every class declaration, but that's ugly and error-prone compared to the current solution.
A new feature that I would really love to see is timestamp checking in the hibernatetool ant task so that it would not overwrite .java files unless the source .hbm.xml file had a more recent timestamp. That would avoid requiring the downstream javac task to recompile all the generated files on every ant run.