It might be nice if the "full user name" (e.g. "Alice Green") was displayed in the document headers and most other places (blips in waves) rather than the user sign-in IDs (usernames, e.g. "agreen"). Or even better, both: Alice Green [agreen@kune.cc] (when clicking on avatar)
Feedback by http://kune.cc/#!poorrichard
and http://kune.cc/#!jorge