I just got 1600Ks off my Bethere connection! Downloaded XP Home edition from the Microsoft site in 5 minutes.
Dub, quite a low speed your getting, post up the page your line stats from the Bebox.
Enter bebox in the url. Log in. Goto Broadband connection and then click Details in the top right. Mine are
DSL Connection
Link Information
Uptime: 10 days, 17:57:38
Modulation: G.992.5 Annex A
Bandwidth (Up/Down) [kbps/kbps]: 1,282 / 15,454
Data Transferred (Sent/Received) [GB/GB]: 41.43 / 22.68
Output Power (Up/Down) [dBm]: 12.0 / 19.0
Line Attenuation (Up/Down) [dB]: 8.5 / 21.5
SN Margin (Up/Down) [dB]: 7.0 / 6.5
Vendor ID (Local/Remote): TMMB / µ
Loss of Framing (Local/Remote): 4 / 0
Loss of Signal (Local/Remote): 1 / 0
Loss of Power (Local/Remote): 0 / 0
Loss of Link (Remote): 0
Error Seconds (Local/Remote): 29,366 / 0
FEC Errors (Up/Down): 0 / 235,589,641
CRC Errors (Up/Down): 4,700 / 23,273
HEC Errors (Up/Down): 3,446 / 19,020
I've highlighted the important line. Higher numbers lower the bandwidth. Refer to this graph
http://www.dontbethere.co.uk/forum/default.aspx?f=2&m=3875
To see if they match what you are getting.