Nice tour! You have a crap-load of slinger tools! Most of my tools are for working on cars and building engines. I need more! The funny thing, is that before I saw this, I thought the finger belt sander was really just your finger with a piece of sand paper.
Finger sanders and Proxxon Tools are a must have for me.
I do like those two tools. We don't get proxxon here. I've seen the B&D, but felt it a big over-size and weird in the hand. For me, of course.
Can you put small sanding disks on the buffer? That be handy!
If you're a glass half empty person, you're still an optimist....