Xubuntu has both notification area (system tray) and indicators. I prefer the first one, as it allows me to hide items. Is there any way to force the apps that support both (e.g. Tomboy, Dropbox etc) to display their icons in the system tray and not their indicators?
This is rather simple. Just remove the indicator plugin from your panel and all bidirectional indicators become notification icons.
Your only loss is: