Which user interface mod is the best?

[DelphiUniverse]

Originally Posted by Trevally.

there are only two others and both give great graphics - try them both

Dr Jones UI & Reaper UI.
Both are on the front page of SH5 workshop - so easy to find

I think I have tried Reaper so I will go ahead and try Dr Jones now, it looks damn cool btw.

Btw, how can i use the ring inside the periscope, what is it for? All the different numbers inside the ring. Can you give me a detailed description how to use it? I need to learn.

Here is the ring i'm talking about: