You can pre-order this item from the links below.
UK Amazon - Price £87.75
# Format: Box set, PAL
# Region: Region 2 ( DVD formats.)
# Number of discs: 25
# Classification: 15
# Studio: Disney
# DVD Release Date: 20 Oct 2008
It does not appear to be available yet in the USA or Canada. If anyone has links to other countries versions please let me know.