If you really want both zorro/pci, you should get this, in fact this is only way to keep blizzard and get pci http://amiga.resource.cx/exp/eboxz4
Ug, the "Winner" board. You will not believe the headaches I got from trying to configure this with the rest of my system! It is the #1 reason why I only use big box Amigas now. It didn't line up right so cards were always flexing a bit. This was all in the Elbox tower too.
It was a good idea on paper but either I had a bad/flaky one, or there really is a good reason why they don't make they any more...