This page contains what is still to be done on pymsn to get it to rock:

Infrastructure

Replace the various callbacks with deferred objects
Replace gnet with something better
Use decorators to beatify the code
Change the logging infrastructure to:
- use repr() on the logged object instead of relying on a CommandPrinter
- use logging domains to be able to enable and disable logging for the various subsystems
Add a ConnectionFactory that will allow us to get verious socket like objects depending on the underlying network topology and configurations (think of proxies and firewalls)
Get rid of the GObject dependency
Separate the Live services into a totally independent library
Simplify the SOAP stack

New features and improvements

File transfert
Webcam/Voice
Voice clips
File sharing directories
Mobile and mail contacts support
Get a better content roaming service API
Get a better spaces service API
Bring full support for contact informations management in the address book service
Support for delta revisions and caching (addressbook and memberships requests)
Support for automatic update relationships between contacts (gleam notification)