I'm just spit balling here. But a recliner always feels amazing to me. I'd like an advanced chair system where the monitor hangs from the ceiling like the lights dentists use. Then I can recline back and move the monitor where I need it.
The keyboard would be split in 2. Half for each hand. Maybe with special keyboard holders.
Basically i want to be able to develop while reclining back in a recliner.
Then the complete opposite end of the spectrum. I'd like a basic stool with no back support, where I sit with good posture. So I don't spend all my time laying down in the recliner and having the posture muscles atrophy.