ClassicMenu Indicator is a Gnome2 style application menu indicator applet for the top panel of Ubuntu Unity desktop. ClassicMenu Indicator just updated: fixed bug in handling of missing/unusable icons, and added System Settings menu.

Here’s the System Settings Menu:

They are integrated into indicator with menus of Personal, Hardware, and System:

Install Classic Menu Indicator:

Add this ppa and install Classic Menu in Ubuntu 11.04, 11.10, 12.04 via:

sudo apt-add-repository ppa:diesch/testing
sudo apt-get update
sudo apt-get install classicmenu-indicator