search for "deal memo" and you should be able to find something. I always recommend getting something drafted by a lawyer or at least checked over by a lawyer to make sure everything will hold up and whatnot.
Panasonic AF100 may be an option if you want something a little more run and gun, better ergonomics and better audio then DSLR bodies but less lowlight and no 4k. If you're in need of more than 60fps then nothing will beat the gh4 or a7s at this price range.
Trust your crew. Hire people you trust and work well with. Know your script inside and out, know the background of everything and know why you're making the decisions you are, this will only help you get a better story. This will also help you explain the exact emotion or headspace you want for you actors in any given scene. Focus on story and performance first, everything else delegate to your crew so you can have to time and focus to your actors. Have a great AD. If everything is taken care of for you by your AD your job becomes a heck of a lot easier.
FCPX will do it internally. You could also use Adobe Media Encoder or Apple Compressor. EditReady which NFS just did an article on is also an option.
Who did you order from? I would contact them to see when the next shipment is expected.
It all depends on the shot, some are better than others in both the videos. This does have to do with the export and compression settings. I am not great with compression, Phillip Bloom just posted a 45minute video about compression and setting and the differences, take a look and that may help you out, www.phillipbloom.net I think it is.