It looks like the all knowing Wikipedia has claimed Oscar as the Tour Winner for 2006!!

First race: 1903
Number of races: 93 (2006)
First winner: Maurice Garin
Most wins: Lance Armstrong (7) 1999-2005
Latest winner: Óscar Pereiro 2006
Most career Yellow Jerseys: Eddy Merckx (96) (111 overall incl. half stages)
Most career stage wins: Eddy Merckx (34)

http://en.wikipedia.org/wiki/Tour_de_France

Wikipedia knows all! :p

Somebody must have changed it back because it had Landis when I clicked your link.