in this website http://www.provantage.com/

search "duoconnect"

it will display 2 result...
one is
"DuoConnect PCI 2.2 Combo Card 4-Prt USB 2.0/3-Prt 1394 PC/Mac"
$us74.63
the other is
"DuoConnect PCI 2.2 Combo Card 4-Prt USB 2.0/3-Prt 1394 PC/Mac 10Pk"
$us606.14

if u buy 10pk, it cost $us606.14
and the shipping charges is $us 76.15

so, the total order is $US 682.29

each one cost 682.29*35/10 = 2388.015 NT dollars

somebody wanna help us buy this card together???

it will cheaper than buy it yourself....
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forgive my poor english, it isn't my computer, i can't type chinese...^^