Paul Goldberger, arguably the world's most respected architecture critic, has written a splendid essay on Dubai's Burj Khalifa. It can be found at: http://www.newyorker.com/arts/critics/skyline/2010/02/08/100208crsk_skyline_goldberger
Nice buidling for sure, but a huge waste of money. Too many other important things in the world... famine, disasters, etc. Put the money aside for helping with things like these instead.
Small wonder Dubai is in massive debt, they spend like democrats.