The reason for limiting the amount of on-screen notifications at anyone time, is to protect the user from notification-spam.
Ongion, notifications you consider to not meant to be passive-only, should really be proper dialogs (see https://wiki.ubuntu.com/NotificationDesignGuidelines).
The different on-screen time of notifications, rendered by notify-osd, is a bug that'll be fixed for Lucid (see https://blueprints.edge.launchpad.net/ubuntu/+spec/desktop-lucid-notifications).
The reason for limiting the amount of on-screen notifications at anyone time, is to protect the user from notification-spam.
Ongion, notifications you consider to not meant to be passive-only, should really be proper dialogs (see https:/ /wiki.ubuntu. com/Notificatio nDesignGuidelin es).
The different on-screen time of notifications, rendered by notify-osd, is a bug that'll be fixed for Lucid (see https:/ /blueprints. edge.launchpad. net/ubuntu/ +spec/desktop- lucid-notificat ions).