I'm not bothered by the number of categories, as I can just minimize the one's I'm not interested in, though it would be nice to be able to re-order them, or hide them altogether.
I too mostly check New Posts for current activity.
You should be able to mount it directly in System 6 using the control panel MountImage, as long as the dsk file is in DiskCopy 4.2 format:
https://macintoshgarden.org/apps/mountimage
Maybe something like G<span style="text-decoration: overline">W</span>
EDIT: Hmm, that didn't work. Imagine a line over the W!
EDIT 2: Something like this!
The moulding for the floppy drive is very interesting, as it is clearly for a manual inject FDD, but it's a different design than the later manual inject case they would use on Late LCIIIs and later.
That was my fear...
EDIT: Maybe SiliconInsider (Antoine) can open one up and take a peak...
EDIT2: Or maybe not! Looks like it's already been done:
https://siliconpr0n.org/map/apple/344s0061-a/single/apple_344s0061-a_mz_mit20x.jpg