I found a thread awhile back that listed 5 to 6x floc for brie and cam, so I went with 6x. Also has a fairly large cut (2.54 cm, or 1 inch cubes), and transfered after only 10 minutes stirring and a bit of settling.
So far it's looking ok. This should end up in the cold fridge in a couple weeks. We're taking a bit of time away around Christmas, so it has to be self sufficient by then!