Steve Groupon have a deal on this today, for a double size it's reduced from £159 to £59. May or may not be of interest to you but here's the link to the site
http://www.cloudsmemoryfoam.co.uk/mattr ... ess-topper" onclick="window.open(this.href);return false;
And here's the link for the offer http://www.groupon.co.uk/deals/national ... am/1305281