"Any idea on when the board will be available and how much it will cost?
I was on my way to order the previous generation board today but I might wait a little longer for this one now."
"Hi Greg,
I have the exact the same issue with my new APM2.5 board.
I can upload arducopter V2.7.3 but when trying to connect, it always ends with a connection error.
Here is the resulting message: