just make sure to expose the shot correctly, shoot wide open and shoot in av mode. there will be flickering but it can be easily removed in post.
I feel that the c100 mkii should cost what the c100 currently costs, i'm looking at upgrading now to a c100 because I cant afford the mk ii for an extra 2k with little enhancements and slightly improved image. not to mention still no affordable 4k or at least 1080p slo mo or even 60p 1080!!!!! canon needs to get their shit together
If you want to be able to power 2 external displays and your laptops display at the same time you will need something like this, http://amzn.to/1JQAGQX . Don't cheap out on these as there is a chip (I don't remember its name) that you need to make it work. All you would need to do is plug your first monitor into your laptop and set that up as a secondary then plug in your 2nd monitor and set that as your tertiary then it should all work out ok.
Note that you will only need to do the secondary and tertiary setup once.
btw thats a male to male you need male to female
The ones I recommend are Digiflex cables but no matter what I personally swear by cables with Neutrik connectors because of their quality while still staying semi affordable
I would say to shoot in a flat as possible profile and keep the gh4 in Cineike D then in post fix contrast and sharpening in your NLE (premiere/Final cut) then if the colors need work use a compositor or dedicated color program (After Effects/Da Vinci Resolve)
Hope this helps.