Marzocchi Z1 BAM (circa. 1997)
In my view the most influential suspension fork ever made. Looked brilliant, worked brilliant, bomb proof, and needed servicing about once every 2 years (and that was only oil, seals lasted 4-5 years no problem). Still see lots around, and they feel better than a lot of modern forks.
Pip
PS I know this is on the verge of what is looked at as modern on here, but I still think it is a worthy contender