I have been looking for a good, succinct, system monitor for my machine (F7, Gnome). I was perusing the XFCE website and came across the following screenshot. The screenshot includes what looks like a system monitor that may suffice for my desires. Now I'm wondering if anyone can tell what it is?
Screenshot:
http://www.xfce.org/images/about/screenshots/4.4-1.png
Monitor appears in upper-right taskbar.