\link{http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=9320243631&rd=1&sspagename=STRK%3AMEDW%3AIT&rd=1\this} is the dress I am looking for. I don't know if its available from m&s at the moment but am going to have a look at their website in a minute.