I just got my new PCI wireless card set up on ubuntu. When I first put it in, ubuntu tried the rtl8180 driver, which froze the computer. I got it to work using ndiswrapper with the drivers from the CD. I've put these up:

Zonet ZEW1605A linux drivers

The ubuntu ndiswrapper tutorial was very helpful. I did need to blacklist the rtl8180 module.