For I don't like gmane's interface I recommend ASPN ML archives:
http://aspn.activestate.com/ASPN/Mail/Browse/Threaded/wxPython-users
http://aspn.activestate.com/ASPN/Python/Mail
Best regards,
Henning Hraban Ramm
Südkurier Medienhaus / MediaPro
Support/Admin/Development Dept.