extra large: 30" himalayan import. somethin like a falcata, tarwar, or sirupati.
large: 17" himalayan import ganga ram.
medium large: scrapper 7. that was easy.
medium: 4" him imp Rusty sgian dubh. just sentimental, a mora 760/780 would be fine.
heavy duty folder: buck 889.
slim folder: victorinox pioneer.
of course if i could only have one knife it would be the victorinox OHT.