Thought I'd try a spread of speed tests on my Broadband line....
http://www.thinkbroadband.com/speedtest
Speed Down: 5992.21 Kbps ( 5.9 Mbps )
Speed Up: 375.63 Kbps ( 0.4 Mbps )
http://www.speedtest.net/
Speed Down: 5983 Kbps ( 5.9 Mbps )
Speed Up: 326 Kbps ( 0.3 Mbps )
http://www.dslzoneuk.net
Speed Down: 5821 Kbps (5.8 Mbs)
So I'm on BT Broadband 8Mbs so not too bad I think..