> I've kind of wanted to build a three node cluster with some low end stuff to expand my knowledge of it. Now they have a datacenter controller.

You can set up a cluster to play with multiple nodes without the just-announced PDM 1.0. Or you can use PDM to manage three stand alone nodes.

If you want to do both, perhaps a 3-node cluster plus a 1-node stand alone with a PDM 'overlay'. So just a +1 versus a 2x.