Other wxPython related documentation:
FullyFunctionalDemo: Working Real World wxPython Application
Advanced wxPython Nuts and Bolds(PDF): RobinDunn's OSCON presentation with great info about inner workings of wxPython
LittleReference (trial reference for wxPython in german and english language)
UnicodeBuild -- What does it really mean?
BuildingOnAIX -- On user's report on how to build wxPython for AIX 5.3
A couple of IBM Developer Works Articles
Various Development Docs