As for the pi, you should do research on the product before buying.
Without research you may not have the circuit breaker to handle the units
YEAH i would like to do a group buy but it will not be easy to do.
If I get the gear on sept 5th due me.
I may put in an order for 60 units.
I am opening a group buy thread now.
someone else opened one
https://bitcointalk.org/index.php?topic=2147123.new#new