The current stable release of Quartz can be downloaded here.
Quartz 1.7.1 (view change log) was released on 01/24/2010. This is a minor release with a few small bug fixes and improvements.
A full change log of past Quartz releases (including 1.7.0) is also available.
We are still working on the automatic sync process to Maven Central. The group id will be: org.quartz-scheduler
In the meantime, you can use the Quartz Maven artifacts from the Terracotta repository. The repository URL is: http://www.terracotta.org/download/reflector/maven2 . Add this to your settings.xml and you will be able to use the Maven artifacts.