Looks like the maintainer of Nexanarchy UI has bought it up to speed. Was always a good minimalist UI. It also now utilizes the AoC installer - no more manual installs.
Note: Seems like the screenie links he posted are broken. I'll chuck some up tonight.
Original thread here (In German):
Nexanarchy UI Reborn
Here's the translation (well, the google translation anyway

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FAQ
Q: I do not see time ticking down at my buffs
A: The AOC UI Installer, there is the option "patch Bufftimers XMLs to show" this is however not recommended because the icons look too big then!
Q: After the update I get error messages and the UI is no longer visible
A: With The AOC UI Installer update the XMLs, this must be done after each patch (thank FC)
Q: Why did not I shop button in the UI
A: Because this is a clean UI design and is kept as minimal as possible, but you can call the store by you "," press
Q: Where is the button on Facebook?
A: Facbook need not even in Age of Conan!
Q: Can I customize your UI to my needs?
A: Yes, my UI is freely modifiable and can be adjusted at will yours!
How to fix the cast bar
The cast, the beams are stored where you want you have to do the following.
First Per / nmenu select "Cast Sliding Bar" ON
Second The cast bar to the desired position draw.
Third / reloadui enter.
4th The cast bars move back to the desired location.
5th Log out and the 15 seconds to run through.
6th After relogging they should be stored
(If necessary, remove the hook from point 1).
Installation
Simply install with the AOC UI Installer!
Copy the script in the Script folder and ingame with "/ nmenu" call!
Can download here from Curse:
Nexanarchy UI Reborn
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