Bruce gurgled happily, sounding much like they were
saying:

Much of Milton Keynes was wired with aluminium, and this apparently
restricts broadband speeds quite severely.

Which is why MK is working towards city-wide(ish) WiMax broadband.

Thanks - I didn't know what the proposed solution was, just that the
problem was quite severe.

Sorry for my ignorance, but please tell me, what is WiMax broadband?

http://en.wikipedia.org/wiki/Wimax
http://www.theregister.co.uk/2007/12..._keynes_wimax/