Thank you for this excellent guide! For the Amiga 3000, as trixeo wrote, please be aware of the orientation of C105. I also recommend watching C178 closely. On two motherboards I've seen, the silkscreen is cut off to where it looks like C173.
I hope the following is helpful to others -- I put together the following map of the PCB showing cap reference designator and orientation of the + pin:
If it's useful, please feel free to share.
** Apologies for the huge image size -- I couldn't figure out how to get the vBulletin IMG tag to resize it down to something which fits reasonable on screen.
