Linksys Bait and Switch
Linksys decided to silently change chipset manufacturers for v4 of thier wmp54g PCI card. This is too bad for me becuase although ndiswrapper support is great for Broadcom cards, RaLink 2500 Windows 64 drivers suck. They either refuse to load or cuause kernel panics. Others have had similar difficulty with the RaLink "native" Linux drivers downloadable from thier site.
I think I'll sell the wmp54g on eBay tomorrow and make my life easier with an Orinoco or Prism PCI card.