We are extremely happy to announce the availability of the Arduino Yún in our store at the price of 69$/52€ (vat not included) and distributors worldwide. The Arduino Yún is the combination of a classic Arduino Leonardo with a Wifi system-on-a-chip running Linino. It’s based on the ATMega32u4 microcontroller and on the Atheros AR9331 running Linino, a customized version of OpenWRT, the most used Linux distribution for embedded devices..”
Source: Arduino Blog