Excuse our sour grapes, but the fortunate proportion of Britons with access to BT's fibre fiber-optic broadband will find everything much faster from today at no extra cost. Infinity 1 customers now have an upstream of (as always) "up to" 9.5Mbps, up from 1.9Mbps yesterday, but downstream remains fixed at 38Mbps. Meanwhile, those with Infinity 2 have seen their speeds doubled with 19Mbps up and 76Mbps down as the company continues its jockeying with