An interesting article from the International Business Times indicated that 47% of the United Kingdom residents are interested in possibly getting a 3D printer, while 37% of the United Kingdom believe that 3D Printing is the next big future technology. 66% of those taking the survey also stated that they would be willing to spend more for a product which has been personalized via 3d Printing techniques.

Here's the article. They go over a lot of 3D Printing verticals:
http://www.ibtimes.co.uk/product-yea...am-can-1433558