Blackbody node is not in the node list? I'm looking for a node called Blackbody. I already looked at this, and I am in cycles mode. The manual says it should be under converters but it isn't there.

I have version 2.66a, that ships with my distro. Is this a new feature only in newer versions, or do I have to enable this somehow? I didn't see it in addons either.
Probably not in a version that old. It's time to update!