Last poldek release is POLDEK_VERSION (released POLDEK_DATE). See the NEWS for a list of major changes in this release.
An older versions are available here. Development snapshots are available here
Packages for other architectures as for developement PLD branches are available on PLD FTP site.
An older versions of packages for previous Fedora Core releases can be found here.
An older versions of packages for several RedHat versions can be found here.