On BE I've got Annex M for faster uploads and live very near to the exchange. It doesn't seem like Zen offer this though, from what I can see on the website? Maximum speed I've seen quoted in the package features is 1Mbps upload.
Campaigning for ADSL Broadband in the Cambridgeshire Fenland towns
| Be* (and previously ZeN Dec 2006-Jan 2009, plusnet Aug 2004-Dec 2006, ZeN Apr 2003-Aug 2004)