It is rubbish. I've used it and you get far better for free with yahoo/googlemail etc.

you guys sorted me out last time with the wiring

its new build,i had BT out to fit me an line into the office upstairs ,but i was still only getting really low throughput 190kbs ,it was the green and white wire ,took it out and stright up to 5mb

iam using a netgear DG834g v3 ,ive just put the lastest firmware on it and it went up 1 mb to around 5.7mb , as as the crow flys iam about 1.5 miles away from exchange 2 mile by road

my line stats

Line Attenuation 52 db 15 db
Noise Margin 10 db 24 db