Pentax K-01 questions before decision

Hello, have been reading a lot about Pentax K-01 and have some questions:

1. Is there a 'flat' video setting so NR, color etc can be muted in order to have greater flexibility in color grading the video footage? (I know there is GH2, Canon's etc for video but I like the price and IQ from K-01)

2. Are full manual exposure options available in video mode?

3. Can you see the exposure histogram while shooting photo/video?

Thanks