So far, I've...
svn co http://svn.apache.org/repos/asf/maven/components/tags/maven-2.0.8
ln -s 2.0.8 current
(According to 'man ln' I think 'ln -f -s 2.0.8 current' should have worked. But I had to 'rm current' before it would link.)
Whe also have this, which I did not update. John?
lrwxrwxrwx 1 jdcasey maven 5 Oct 25 2006 current.deleted -> 2.0.4