I recently got a Nomad key and Gadget 2. The Nomad key is great, just plug and play but the Gadget 2 won't update firmware although I have been following the instructions in the following link:
https://www.etcconnect.com/WorkArea/DownloadAsset.aspx?id=10737484980
I am running windows 7 pro with Nomad 2.4.