So I thought I would post this in here for anyone else looking to replicate a similar look:
Screenshots:
http://forums.overclockers.co.uk/showpost.php?p=22066758&postcount=15342
http://forums.overclockers.co.uk/showpost.php?p=22074211&postcount=15364
http://forums.overclockers.co.uk/showpost.php?p=22082168&postcount=15372
The basic ENB, FXAA injector and Lighting mods are: Unreal Cinema ENB, Realistic Lighting and Immersive Environment (I'm running other various texture mods but just focusing on these right now)
I compiled the relevant files into a rar for easy download.
https://rapidshare.com/files/2904708237/Custom_enb___injector.rar
Place those files into your skyrim directory (delete any previous ENB/FXAA settings) and you're good to go (You will need to adjust the brightness, mine is 3 clicks down from the highest).
Revamped exterior fog is also needed (placed at the bottom of your load order):
http://skyrim.nexusmods.com/downloads/file.php?id=9930
Please ensure Realistic Lighting Patcher is 1 place above Realistic Lighting in your load order.
I also adjusted the ENB file to alter the pitch black nights to a more realistic setting.
To do this Download:
http://skyrim.nexusmods.com/downloads/file.php?id=17400
Place it in your skyrim root folder where the enb files are located.
Run it and under the following parameters (On the environment tab) alter these values:
Ambient Lighting:
Intensity At Night - 10
Shadow Strength At Night - 10
Bloom:
Amount At night - 10
If you also experience rays coming off the moon at night, go to the Sky tab and under the sun parameter untick sun rays.
To disable letterboxing, in the enb customiser tool go to 'Other' tab and untick letterbox height.
The nights are not pitch black anymore but I'd say a torch is still required (My preference). For reference I'm also using torch & street light mods as below but it's up to you if you require them:
http://skyrim.nexusmods.com/downloads/file.php?id=4764#content (V4a default brightness, 2x radius)
http://skyrim.nexusmods.com/downloads/file.php?id=17605
I hope somebody finds this useful.