Building complex geological systems as efficiently as possible is the name of the game! It’s a good thing having less nodes and more organic details, so bravo! I have about 30-50 nodes in the terrain stage, maybe the same in material building and final output building and naming stages. Across 7-10 project files, maybe 150 max.
The recent island project I’m working on is my most ambitious yet, may have gone past that number though. And includes a few “Gaea stages” scattered in between. Those output files tend to add up when doing Gaea builds. Thanks to libraries, world machine data is organized cleaner, though still takes huge storage spaces lol!