French blog, Forgotten Silver, points out that Leslie Iwerks’ documentary, The Pixar Story, is already out on DVD in France as a part of a box set of Pixar films released last month.
The box set, Disney•Pixar: Coffret Anthologie, contains all eight Pixar films currently on DVD as well as the Pixar Short Films Collection: Volume 1, The Pixar Story and a place for WALL•E once it arrives on DVD.
It can be purchased fro Amazon.fr for 88,99 Euros, or for us non currency-savvy folks out there, approximately $130.77USD.
Regarding the release of The Pixar Story on DVD in other regions, it is expected to be included with the release of WALL•E on DVD and/or Blu-Ray later this year.
UPDATE: markjochems in the comments below points out it is also available in the UK Amazon store for £44.98.