My first keyboard was mechanical Ibm model m. I got it, along with ibm486 in the late 90s. But then I did not understand nothing in computers and even more so in a mechanical keyboard. By this, I quickly got rid of that big and noisy keyboard, replacing it with usual membrane keybord. Sad story, right? But its not all.
Over time, the membrane keyboard just stopped working and my father brought me to the keyboard of Fujitsu. Heavy, noisy, yellowed, without Russian layout, probably mechanical too... In general, I threw it to the dump, too =)