Watched ROTJ last night - funny how having an impending figure really makes you (well me) pay much more attention to the costume details. I must have seen the film hundreds of times over the years and never once noticed that pouch on his belt.
He spends far more time in the poncho than the cloak, which only gets a minute or two while confronting Jabba then is immediately ditched in the Rancor pit.
I also hadn't noticed before how briefly the front flap on his tunic is down, I always thought of that as the iconic look for Jedi Luke but it's only really there as he's dragging Vader to the shuttle right at the end...
Anyway, ramble over, pretty sure you guy are aware of these and much more!