I have one on and it is excellent.
I has an excellent reputation for use on long lines. It can adjust the SRN target without needing to get it changed by the ISP (and many ISPs won't do this).
Replaced a Drayteh 2820 - every bit as good except that it doesnt as many statistics in the web interface.
The four gigabit ports are great!
Ex <n>ildram , been to SKY MAX - 15,225 Download
BE Unlimited - 21,000 Download 1,200 Upload,
Moved house, now BE Unlimited 6,500 Down, 1Mb/s up - gutted!
FTTC Cab installation commenced 12th April - expect full 80 / 20 - bye bye BE, hello BT Infinity soon!