There are some svg and fritzing files for you to write attractive documents. Have fun!
Arch is an mbed enabled development board which combines some advantages of mbed and Arduino.
Arch Pro, another mbed enabled development board, is a variant of mbed LPC1768 with build-in ethernet, usb host/device. With a variety of Shield and Grove modules and lots of software libraries for Arch Pro, you can implement Ethernet, USB and NFC applications rapidly and easily.
Seeeduino is an Arduino compatible board based on Arduino Duemilanove 328. There are remarkable changes of the design to improve the flexibility and user experience.