What are the wise men from Dubai buying in the UK?
Car registration numbers.
Someone has just paid £500,000 for one, and several other less publicised deals may have grossed even more.
For an insight into this subject, look at this thread.
http://www.pl4tes.co.uk/forums/viewtopic.php?t=17
I believe that the guy who runs that website is the top seller of these numbers to the Dubai & UAE set.