RXP goes some way to addressing the concerns about XML processing
speed raised on this mailing list. It can parse ot.xml in 0.8 seconds
on a 233MHz Pentium II.
This is not a public release, so please don't redistribute the system.
RXP is available (in source form only) at
ftp://ftp.cogsci.ed.ac.uk/pub/richard/rxp.tar.gz
-- Richard