Already scaled walls:

North America
El Capitán, Yosemite National Park (USA)
Route: El Niño
Difficulty: 8a+/b
(June 2003)

Europe
Naranjo de Bulnes, Picos de Europa (Spain)
Route: Zunbeltz
Difficulty: 8b
(October 2003)

Africa
Tsaranoro, Madagascar
Route: Brave les Filles
Difficulty: 8b+
(July 2004)

Oceania
Totem Pole, Tasmania
Difficulty: 7b
(February 2005)

Asia
Unnamed Tower, Trango Towers (Pakistan)
Route: Slovenia Route + Pou Brothers Variant
Difficulty: 7b
(July 2005)

Walls left to scale:

South America
Fitz Roy, Patagonia (Argentina)
Route: French-Argentinean Route
Difficulty: 7b
(February 2006)

Antarctica
Mountain and route not yet determined. 
(End of 2006) 

Jabier Baraiazarra
Jabier Baraiazarra