Please, never never go with BT.
Fair enough I'm not on Infinity, but with estimated 8MB/s down my line and getting:
I would never contemplate giving them another pound of my money for any "upgrade" they are offering.
An estimated speed is supposed to be close to what you will actually get right? I've been ringing them up now for several weeks now, nagging them to come and fix the problem (it's not just the speed). I even had an engineer who came and tried to palm me off with a load of
, telling me everything was fine. He said he'd fix "a circuit board" at the exchange - nothing actually got fixed.
Please don't waste your time and money with them.