UI mods?

[sXe Angel]

Pre-MoP I used ElvUI and liked it, but I uninstalled it before MoP hit to avoid any glitching on patch day. Haven't reinstalled it yet, and been wondering about other UI mods. I'm looking for one that's easy to install and use, and dosen't take watching a bunch of youtube vids to learn how to work with. Something that's pretty intuitive and works 'right outta the box' sorta thing. Also something that works with many different classes, as I've got at least one alt of each different class.

[Shade]

Bartender4 is very easy to use and pretty easy to learn to manipulate. Tis what I've used ever sinc eI found it. It is mostly a action bar mod, lets you have up to 10 action bars I think it is, scale them however you would like, have up to 12 buttons or just 3 if you wish and move them where ever you want. I can design the layout that works best for each of my toons-show a reputation bar for my character still working on rep, show a exp bar for the characters who need it etc.
My Shaman's set up vs My hunter's set up:

[Gimlion]

I use LUI, which can be found on Curse. It comes with several UI mods already built in, such as Bartender. Give it a look, it has a LOT of flexibility, as well as sleek design.