Has anyone here tried the CalDigit SuperSpeed ExpressCard for Laptops and connected through this device a USB 3.0 external HD that runs at usb 3.0 speed? They have released a mac USB 3.0 driver so this should work just fine and fast. Here's the ink:
http://www.caldigit.com/avdrive/Card_laptop.html
http://www.caldigit.com/avdrive/Card_laptop.html