I just updated the CentOS RPMs and spec file in my repository for Zabbix 1.8. This is a minor version bump to 1.8.1 of Zabbix. See their changelog for changes to Zabbix. Also, I added some new features based on requests from users…

IPMI Support
Jabber support
NOTE (corrected): SSH did not make it into [...]

Thanks to your feedback, and a patch (thanks Tom) I just updated the CentOS RPMs and spec file in my repository for Zabbix 1.8. Rev. 5 of the Zabbix RPMs adds…

Zabbix-Proxy RPM
LibCURL support (web scenarios work now)
Fixed x86_64 repo (was missing repodata)
Package upgrade issue (thanks Tom for catching this)
Fixed some file permissions (thanks ericgearhart)
Added [...]

I tend to build RPMs, packages and/or spec files for recent versions of various linux packages for my preferred operating systems (CentOS, Ubuntu, Gentoo, and OS-X). The first package inside is Zabbix 1.8 packaged for CentOS 5, but the RPMs should work on any RHEL-compatible linux.
My repository can be found at http://repo.andrewfarley.com
Or add my [...]