Yeah thats right, Ive used Nebula for years and absoultely love it but it takes a workflow adjustment. I use Bluecat patchwork to store Nebula instances and it allows me to recall them in the correct order in a session with the windows open as i set them. Its a steep learning curve but for that analog sound ITB its unbeatable. If you do go for it, the Compressors to get are Tim Petherick who has a 20% sale on currently https://www.timpetherick.co.uk/ as well as Cupwise. AlexB for consoles and EQs. Its a rabbit hole!
Do your research but I can never go back. Due to latency and CPU usage though, when Im writing I use stock plugins and then Neb for mixing