Note: this is very early.
Non-technical and easy contributions
Retest old bugs (FIXME: document)
look at log your log output (FIXME: document)
report bugs (FIXME: document)
MeeGO needs mockups for missing functionality (required skills: enough drawing and written material to produce a sketch of your proposal which is understandable to your peers)
* Video User Interface and interaction story https://bugzilla.gnome.org/show_bug.cgi?id=637094
* Podcast User Interface and interaction story https://bugzilla.gnome.org/show_bug.cgi?id=637146
* Audiobook User Interface and interaction story https://bugzilla.gnome.org/show_bug.cgi?id=637347
(FIXME: Sounds like something that might be interesting to OMG! Ubuntu! and thus hopefully add wider input and expertise into the User Experience process)
Technical contributions
* Correct locking for synchronizing portable media devices such as mp3 players and many phones (requires: C# knowledge and knowledge of locking - would benefit from example code from a developer for educational purposes)
https://bugzilla.gnome.org/show_bug.cgi?id=622826
* ATOM feed support for Migo?
(requires: C# knowledge, Migo some what unchartered territory?)
https://bugzilla.gnome.org/show_bug.cgi?id=637874
* Investigate Banshees interaction with PulseAudio
(requires: C#, likely C, likely interaction with Banshee and PulseAudio/GStreamer upstreams)