A new ESP8266 - ESP 07/12 Breadboard Adapter safely arrived in my MailBox. Nice and clever design, all the information's, schematics, etc are freely available.
For more details, pictures, etc: http://www.esp8266-projects.com/2015/03/mailbag-arrival-new-esp8266-adapter.html
Youtube video of the NodeMCU Firmware upload process and first run, the infamous Blinky
Available on Tindie: https://www.tindie.com/products/nEXT_EVO1/universal-ac-mains-dimmer-mpdmv41/