Since the Macbook does not have an ExpressCard slot. I was wondering if something like this would work. I am thinking about this and then getting a Card reader adapter.
http://www.synchrotech.com/product-usb/usb20_to_usb20_expresscards_host_adapter.html
http://www.synchrotech.com/product-usb/usb20_to_usb20_expresscards_host_adapter.html