Piccolo Java SAX parser and others in the wild?

Has anyone used or seen the Piccolo [1] SAX parser out in the wild. It
claims to be the fastest SAX parser available (and was for awhile packaged
with SAXBench a benchmarking software). It is not listed anywhere on the SAX
project's homepage but likely should be. It seems to be the only free, java,
SAX2 parser I haven't seen listed on the site. In the dmoz [2] listing there
were a few others, but they were other non-freeware, or non-SAX2

[1] http://sourceforge.net/projects/piccolo/
[2]
http://dmoz.org/Computers/Programming/Languages/Java/XML/Class_Libraries/Parsers/

Thanks,
Jeff Rafter