As promised at the NetWitness User's conference, here is the python program I wrote to demonstrate how to query NextGen devices over REST. This script was written in python 3.2.3, but we will be posting a backport of it for python 2.7. The backport was done by Dave Penner.
I hope everyone enjoys it. Post any questions or comments in this thread and feel free to enhance it and post it back to the community.
NextGen Lead Engineer