Sky High Platform Pumps are still going strong for Fall 2010.  Here is a super gorgeous, yet pricey pair of Miu Miu Platform Pumps.  They are$585 at Saks.  They have a 5″ heel with a 1″ hidden platform and come in dark grey and dark green.

For a similar look at a more approachable price point, here are Pour La Victoire Irina Suede Pumps, $250 at Shopbop.  They have a 4.75″ heel with a 1.25″ hidden platform.