Hi,
I had a thought that maybe the network sound card should not be using
ethernet but instead wireless 802.11n.
The ralink rt2870 chipset is well supported at full 300Mb/s on Linux and
has open source drivers.
I think this would open up a lot of opportunities with a wireless sound
card.
I'm not sure how many are on the market right now but I haven't heard of
any yet so there is a big opportunity there to fill a gap.
Cheers.
--
Patrick Shirkey
Boost Hardware Ltd