I haven't listened to this in it's entirety but it this vid seems to be comparing the different nodes. https://www.youtube.com/watch?v=5pWzhBsGs6U
Give it a listen and if you need help setting up your start9 or whichever one you pick then BTC Sessions (npub1rxy…hnp8)'s tutorials are great.
Start9 (npub126n…e9ll) support and docs are also a good resources.