I've a RAB down jacket, old but still good, a TNF which is OK but still like the look of
http://www.mountain-equipment.co.uk/the_gear/clothing/insulation/
http://www.mountain-equipment.co.uk/the_gear/clothing/insulation/annapurna_jacket---377/
http://www.mountain-equipment.co.uk/the_gear/clothing/insulation/
http://www.mountain-equipment.co.uk/the_gear/clothing/insulation/annapurna_jacket---377/