PIM v1 - is the beginning of my story about GUI archivers. PIM v1.50 is the last version which uses PIM v1 compression engine. It represents my own LZP compression with various filters - EXE, Delta, etc. As a bonus this version can extract QUAD files. A long summer hours of programming... Finally, I did what you see.
pim150.exe (Installer)
pim150.zip (Zipped Version)

BTW, current PIM v2.10 still able to view and extract archives produced by this version!