hello,

> 
>   a) where can I get a SCSI adapter from? (I imagine Compaq would sell
>      them for a very large price :-)

the usual things like the CMD or Emulex boards would be what youre 
looking for. every once in a while one goes up for sale in a newsgroup or 
on ebay, and the resellers usually stock them , if you want to pay an 
outrageous price. 

> 
>   b) is it seriously possible to run these things diskless? It would seem
>      a waste, but would at least be something
> 
yes, you can run them diskless. that's how i run mine. Actually, a CMD 
mscp emulating scsi board will not work properly, there has been much 
discussion of a bug that causes these boards to not work right. 


>   c) has anyone run NetBSD on such a thing before?

yup! 

happy hacking,
isildur