[loudent2]

"....One problem with this is that you won't be able to use a lot of items (including most class-specific items) that you normally could (e.g most wizard-usable items don't have Ogres in the list of races that can use them..), you can edit items to change this but this would take a LOT of time to change all of them. ..."

I haven't looked at the database thououghly yet but couldn't you update the usable classes fairly quickly and easily? e.g. something along the lines of(note don't have database in front of me so guessing at column/table names and field types):

update eq.items set ogreuse=1 where class='monk';