Magma has announced the ExpressBox 3T which is there latest product for expanding PCI Express slots externally. With this being one of the first Thunderbolt PCIe expansion slots with up to 10Gbps. You will be able to daisy chain not 1 or 2 Thunderbolt devices together but up to 6. It is geared toward video capture and editing, broadcast video, pro audio, communications, data acquisition but can be used for much more. Magma will start accepting preorder in 4Q(October 1st to the end of the year) with a price slightly under $1,000. If you are interested you can sign up on the company website to get more information.