That's brutal, and I thought mine was bad only able to achieve 13Mbps average on Infinity.
How far are you from the exchange?
About 3.5km for ADSL2, currently has a sync of 4544/947. Tried infinity when it was first available 3 years ago, estimate then was 10-14, got 5Mb/0.5Mb, had infinity removed a week later and back to adsl since then!
Infinity cabinet is about 1500m down the road.
Rural broadband has been and gone, BT came in under budget here (yay
