There are various flavor of Manjaro available. You may choose Manjaro Xfce, KDE and here I want to introduce the new Manjaro Pantheon desktop. Pantheon is a well know desktop environment used by Elementary OS. Its a nice, simple and beautiful desktop. With the power of Manjaro, Manjaro Pantheon edition could be a good desktop for you. Here are some screenshots I took from my Manjaro 0.8.13 Pantheon edition. This is not the final release, so you better wait for the final one to get a stable performance.
Live DVD desktop
On the first boot of Manjaro 0.8.13, you will see the following desktop.
System Settings contains all the configuration tool you need.
Pantheon application menu. You will also find many applications along this Manjaro 0.8.13 Pantheon edition.
Last but not least, Slingscold menu is included on Manjaro 0.8.13 Pantheon.