I have done a few tests on the profiles and settled for what I personally like
http://interceptor121.com/2015/11/08/picture-profiles-for-the-new-rx100-and-a7-cameras/
There are some examples there but I will take more in the future
My summary is that without a recorder you have some options that with no or minimum correction in post perform pretty well.
S-log2 for me does not work at 100 Mbps but I believe that with an external recorder this can product incredible results