As soon as the PR 92190 is closed: http://www.freebsd.org/cgi/query-pr.cgi?pr=ports/92190 azureus can be made to work on amd64 (and Java-1.5 on other platforms) with the simple patch below. I'm running it right now, as a matter of fact.
Responsible Changed From-To: freebsd-ports-bugs->lioux Over to maintainer
State Changed From-To: open->closed Committed. Thanks!