I have tweaked my connection with a tool called DMT so that I can lower my SN Margin. This has had the effect of increasing my sync figure.
I also instructed Be* to change my connection to Fastpath (the advantages of fastpath, if you have a suitable connection, is it offers lower latency and faster ping times which for online gamers is important.) One side effect of this is that it may increase your speeds too, in my case it did.
Here are the stats from my router:
Bandwidth (Up/Down) [kbps/kbps]: 1,321 / 24,574
Output Power (Up/Down) [dBm]: 12.0 / 15.0
Line Attenuation (Up/Down) [dB]: 10.0 / 22.0
SN Margin (Up/Down) [dB]: 7.0 / 2.0
I am, according to details on the net around 550 metres from my exchange (as the crow flies). But the line has to traverse a river and quite a few houses so god only knows the true distance of the line.
By the way these were my stats on AOL ADSL LLU "god thats a lot of acronyms" the night before I joined Be*
Statistics Downstream Upstream
Line Rate 8160 448
Noise Margin 17.1 dB 31.0 dB
Line Attenuation 14.0 dB 10.5 dB
Output Power 12.6 dBm 19.8 dBm