WinUAE is REALLY slow on this 500mhz AMD i got. I have GeForce 2 MX 400 AGP, and 256mb of ram, but its still really slow...
Depends on your needs and how you have configured your UAE. Im sitting here on a 333 Mhz k6-2. And im experiencing... Well... Decent speed. Enough until I can get my hands on a Aone atleast