Interesting RasPi X100 expansion board here:
http://dx.com/p/expansion-board-made-for-raspberry-pi-multicolor-black-278750
This expanson board is suitable for Raspberry Pi Rev 2 Model B The X100 expansion board designed for use on the Raspberry Pi (RPi) computer platform. The board supplies RPi with a regulated +5V from a wide-range voltage source and also contains a real-time clock, a RS232 master port, a HDMI to VGA converter, 3-port USB hub, memory card reader, and 8-channel darlington Driver.