Frankfurt is the richest city in Europe, so Frankfurt would have a better chance of building taller towers to reach the future. Many towers in Frankfurt are soon to be constructded from now to 2011.

Millinium Tower tallest tower in Frankfurt, Germany, & Europe, maybe finished in 2011 worlds 10 tallest tower in 2011.

Metzlerbank tower maybe finished in 2010 in Frankfurt, Germany

We have reached futuristic Frankfurt!!   :-)