Buy.com has an Adaptec FireConnect 4300 FireWire Adapter for $9.99 after $20 rebate with Free Shipping. Add a small item to get over $30 and use Google Checkout to get a $10 discount.
The Adaptec USB2connect 5100 6 Port USB 2.0 PCI Card is $12.99 after rebate, or $2.99 with Google Checkout.
nThey also have an Adaptec USB2Connect 4000 4-Port USB 2.0 PCI Card for $9.99 after rebate or FREE with Google Checkout.
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