Hello, I am using an A4000T with a PicassoIV as well. I'm using CyberGraphX 4 instead of P96. Quake will remain somewhat slow with an '060 and a Zorro graphics card. If you want an improvement, I would suggest either getting a
PPC cpu card, or a more powerful graphics card.
You could get a CybervisionPPC, or purchase
a PCI expansion and pick a compatible card. I
have not gone with either of these upgrade paths
yet, and suggest you take it a bit slow.