FWIW there is a person on Ebay selling the active cards your looking for...
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=14968&item=5719057406&rd=1
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=14968&item=5719057406&rd=1
Bi-Amped Aktiv vs. Tri-amped Aktiv?