I haven’t tried anything but Jura. They’re amazing. I had an older Jura model they don’t make anymore, but their current lowest end ENA 4 is around $1000. I just upgraded to the Z10 because I wanted milk drinks, and it is fantastic.
Press and hold the empty spot until the edit options come up. Then choose Replace this item or whatever it’s called. You can then choose a base drink to start from and place it in the empty slot. This is also how you would “move” drinks from screen to screen. You replace each spot with the base...