Just when Fedora 13 release is being slipped for another week, CentOS, which is similar to RHEL, but developed by the community has released their latest version, CentOS 5.5. The ISOs are now available in most mirrors in 386 and x86_64 version. Read the Release Announcement for more detailed changes about this release.
For Indonesian users, you can get them in UI. For international users, please go to the mirror site