Just seen this voucher deal that might be of interest
http://www.wowcher.co.uk/email-deals/travel/deal-387951-detail/169pp-3nt-dusseldorf-break-including-ticket/deal.html
http://www.wowcher.co.uk/email-deals/travel/deal-387951-detail/169pp-3nt-dusseldorf-break-including-ticket/deal.html