First there were 57 sites.

Then 15 sites were shortlisted.  Here is the status of the 15, as set out in the Telegraph 19th July 2008:

Bordon, Hants 5,500-home scheme considered a good option by the Government and environmental groups

Ford, West Sussex 5,000 homes planned for a former airfield. High-profile opponents include the television presenter Ben Fogle

Imerys site, Cornwall 5,000 homes on former clay pits. Only proposal in the South-West

Pennbury, Leics Three blueprints for an eco-town of up to 15,000 homes at Leicester airport

Rossington, South Yorks Scaled back from 15,000 homes to 5,000

Rushcliffe, Notts Recent proposal for 6,000 homes, backed by Crown Estates and Ministry of Defence

Weston Otmoor, Oxon Up to 15,000 homes opposed by Tony Henman, father of former tennis player Tim

Marston Vale, Beds Up to 15,000 homes planned despite withdrawal of second scheme

Middle Quinton, Warwicks Proposal for 6,000 homes. Opposed by the actors Helen Mirren and John Nettles

UNCERTAIN FUTURE

Hanley Grange, Cambs Facing the axe after the Wellcome Trust refused to sell 270 acres of land. Had recently increased from 8,000 homes to 13,000

Coltishall, Norfolk Government owns the site and is refusing to say whether it will release the land

Elsenham, Essex Under constant review and abandoning it is an option

Leeds city region Has no site or developer

OFFICIALLY WITHDRAWN

Curborough, Staffs Formerly a 5,000-home development

Manby, Lincs 5,000 homes were originally planned

New Marston, Beds Up to 15,000 homes had been planned for same site as Marston Vale

Taken from the Telegraph 19th July 2008