Moving promptly with the times, ECS has just introduced both USB 3.0 and SATA 6Gbps PCI-E x1 expansion cards to market.
The U3N2 USB 3.0 expansion card uses NEC's controller chip to deliver up to 5Gbps transfer rates to supporting USB 3.0 devices. It provides two ports and is of course backward compatible with USB 2.0 devices.
The S6M2 makes use of Marvell's 6Gbps controller and provides both an internal SATA 3.0 port as well as an eSATA 3.0 port for external connectivity.
Full details can be found within the press release here folks.