can you speak to how that is vs the gui web interface goodness of proxmox? I'm interested in playign with ganeti but all the youtube walkthroughs that would motivate me more are super outdated and the website doesn't really sell the product very well.

Ganeti can be quite arcane, I've only ever used the command-line.

But it has been solid otherwise, even with in-place upgrades over many years.

I haven't run proxmox so can not directly compare :)