Dive into the "why" of Server Components. Talk about separation of concerns (server data vs client data) and bundle size.
"Aren't Server Components experimental?" Yep. We're collaborating with the React Core team, so while they're an experimental technology for ad-hoc usage, within Hydrogen they're more polished and ready for production.
(once we decide on a strategy): How do you do Caching in Hydrogen?
(once we decide on a strategy): How do you do 3P CMS/data in Hydrogen?