the webstore says:
“TinyG should be in stock the week of the 16th of Feb 2014. We are now accepting pre-orders.”
No worry Alden, “It just works” is trademarked by Apple. I misquoted you.
That PocketNC looks like a very interesting project.
I am sure that the firmware automatically supports this. But we should let one of the authorities chime in. Alden has told me on several occasions that the TinyG can be connected together and “it just works”
Here are the parts
You need four of these holders: http://www.mouser.com/Search/ProductDetail.aspx?R=09-50-3041virtualkey53810000virtualkey538-09-50-3041
and 16 of these pins/connectors: http://www.mouser.com/Search/ProductDetail.aspx?R=08-50-0134virtualkey53810000virtualkey538-08-50-0134
They are cheap, you can get all you want for under $5.
This part looks close, but I can’t tell if its really right. http://www.digikey.com/product-detail/en/0009503041/WM2102-ND/26457
Confirmation of this as “good enough” would be greatly appreciated.