The Arduino Nano is a compact board similar to the UNO.
The Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3.x). It has more or less the same functionality of the Arduino Duemilanove, but in a different package. It lacks only a DC power jack, and works with a Mini-B USB cable instead of a standard one.
* $19.21 - $38.84
To celebrate the ten millionth Raspberry Pi sold, the Raspberry Pi Foundation has put together their own idea of what the perfect bundle would look like, creating the official Raspberry Pi Starter Kit.
According to the Raspberry Pi Foundation this is "an unashamedly premium product: the latest Raspberry Pi, official accessories, the best USB peripherals we could find, and a copy of the highest-rated Raspberry Pi book."
The kit includes:
$106.92 - $159.50