I went with 3-phase for the planer and jointer. Everything else is single phase. The price difference alone (3-phase being less) paid for the converter. Now I can add either single or 3-phase up to 30 hp continuous.
Frankly, it's gonna take a bit to get what's here up and running, but you have to have an eye on the future setting up a shop. Lesson learned the hard way many years ago.