I am ebaying several spare Garmin datacards and my PCMCIA Jeppesen Skybound
Datawriter.  If you are interested, here are the links:

Card:
http://cgi.ebay.com/Garmin-430-530-Jeppesen-GPS-Data-Card-No-Reserve_W0QQite
mZ290081353639QQihZ019QQcategoryZ58045QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

and writer:
http://cgi.ebay.com/Garmin-430-530-Jeppesen-DataWriter-II-card-update-NR_W0Q
QitemZ290081359574QQihZ019QQcategoryZ58045QQssPageNameZWDVWQQrdZ1QQcmdZViewI
tem

Matt