> What about support for a usb device instead? [...] This would avoid the missing
> support for pcmcia and be useful on more systems at the same time.

"I'm currently working on a Poseidon-compatible driver for Realtek RTL8187 devices (this has been in the works for some time, but I've been debugging it in recent days). Once it's stable I hope to port it to the three Amiga-like OSes that use Poseidon for USB."
http://amigaworld.net/modules/newbb/viewtopic.php?topic_id=35927&forum=25#669547