O.K. here is the link to the tweak test with the right info entered at the end...
http://www.broadbandreports.com/tweakr/block:19a17ac?service=dsl&speed=1844&os=winXP&via=winXPpppoe
And here are the results I got from nitro.ucsc test...
TCP/Web100 Network Diagnostic Tool v5.3.3d
click START to begin
Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
running 10s outbound test (client to server) . . . . . 329.09Kb/s
running 10s inbound test (server to client) . . . . . . 1.02Mb/s
Your PC is connected to a Cable/DSL modem
Information: Other network traffic is congesting the link