This is a nice initiative:

Canonical aims to improve the Ubuntu user experience by fixing a multitude of minor usability glitches. The project, which is called One Hundred Paper Cuts, will entail a collaborative effort by Canonical's new design team and the Ubuntu community to fix one hundred usability bugs before the release of Ubuntu 9.10.

Read more:

http://arstechnica.com/open-source/news/2009/06/canonical-to-boost-ubunt...

http://blog.davebsd.com/2009/06/10/one-hundred-paper-cuts/