FYI, the Maemo6 UI library[1] is already available in the extras-devel repository, install the dui-demos packages if you want to see the performance of some demos running in the N900

[1] -http://maemo.org/packages/search/?org_maemo_packages_search[1][property]=name&org_maemo_packages_search[1][constraint]=LIKE&org_maemo_packages_search[1][value]=dui