I got the wlan-ng drivers "working", for some value of working. I had to hack out some bits of the driver which didn't work as expected on this card, but it didn't look like they actually mattered (they just read information from the card but none of the rest of the driver code looked at any of it, so unless there's some weird side effect...)

The driver will load, wlanctl will put it in "sniff" mode, and airsnort's "capture" program will read packets from it -- but they're all encrypted so I can't tell if the driver is actually sniffing packets or what headers are on them.

... and I can't seem to make it work properly when I tell it what the WEP key is for either my 40-bit or my 128-bit LAN.

At the moment, I don't have an unencrypted network to fiddle with.