[CentOS-virt] KVM: where are the directions?

> kvm-83. That said, as you've probably already read in the docs, KVM is
> a "technology preview" in RHEL 5.x...6.0 will be the first version
> with official/stable KVM support by Red Hat.

My understanding is that KVM was tech preview in RHEL/CentOS 5.4 and
officially supported from RHEL/CentOS 5.5.

Am I mistaken?