Eclipse 3.6 (also called Helios) was just released the other day and with a new release of Eclipse comes a new release of SWT (the underlying widget framework). Among the many release notes you'll find "Eclipse 3.6 SWT News and Noteworthy" outlining core SWT improvements.
Especially one of the improvements was of interest as I see how it could be used to improve Lotus Notes, the interaction with the OS and in turn the usability of the client. The feature is about the program representation in the program list normally shown in the bottom of the screen. Below are some samples. I could see this used to give feedback about unread e-mails, pending IM's, progress of overall replication etc. Interesting stuff (see "TaskItem overlay image / text / menu / process" in the release notes).