Wow....I'm speechless but admiring you at the same time . Wish you could have time to play with your machines even though it's a large amount of them. As for parts, I would category them to what they belong to in plastic shoe boxes and maybe you do need to thin them out some? I personally love those FW and 301's as well as the 401's. It's your preference as to what you feel for them and up to you to do what you want with them, no need to worry about what others says. You have family that wants to inherit them? Is one thing to know or you just like to have in collection? I'm sorry I'm no help but hope you found out what you want to do......I wouldn't mind having one or two ����.....for real !!