frank:if you get wos exceptions etc , beware! your ppc might be underpowered (too little +5v) ,this can be fixed by putting an cable from the psu directly onto the bppc.
a friend of mine discovered this 2 weeks or so ago, first we belived it was a faulty card but i tested it in my machine and all where OK!, then we suspected that it was his morthrboard, and then several people on irc + here on amiga.org helped me/him with suggesting the extra feed.
now it runs everything (and his setup was correctly configured from day 1 of)
anyway if its WOS with Pup emu you are talking about, well sadly there is a few things that will never work in Pup EMU.
If its Demos (scene etc) then check out my website with everydemo (ppc) released , sadly i havent had the time to update it etc but all the info on it should clearly tell if it work on PupEmu or not and with mediator.
http://ppcdemodb.acggbg.org/index.phpcheers