It may be easier if your brother and his fiancee set up a wedding list at a department store, then they will actually get things they need and want and won't end up with 25 toasters.
Hi miggy - How about a hi life dining card which allows them to go in to certain restaurants & get the second meal free. You buy a years membership. Here's the website -
www.hi-life.co.uk
There is also an upgraded card for use around the world xxx