For futher development using high data rates (fat pipe) some nice opensource code is available for adding sata or pcie the following link:
http://enjoy-digital.fr/cores.html
Maybe an alternative for ethernet protocol.
Enjoy
Johan PA3GSB
Sharing the link was just informative. Not to say don't use ethernet.
I have plans to connect the radioberry board to an ftdi chip and control the radioberry via usb using a pc.
Ordered the um232h board.
Will inform te group the results.
73 Johan
PA3GSB