Tom,
you should have qemu-kvm on Fedora, CentOS and such
qemu-kvm-rhev on RHEL hosts are supposed to work with downstream RHEV product. How did
you get them there?
You can modify that if you want in vdsm/caps.py in _getKeyPackages() function
http://www.dreyou.org/ovirt/vdsm/Packages/