high speed data

Is anyone implimenting high speed (1Mb/sec or greater for end users) 
WAN networking under amateur radio and linux or has this just died on
the vine for people's refusal to use anything faster than a shared
9600 baud channel on a porly architected network.

-Galt

-- 
"They that would give up essential liberty for temporary safety deserve
neither liberty nor safety."
                               Benjamin Franklin