Suztera :
No point of a fan controller if you are using a h100i on the top of the case. There will be no space for it as it uses the 5.25 bay but the cooler would overlay that.
+1 to this, though depending on your abilities/routing it is possible to install both. There are quite a lot of Prodigys with a flipped front panel (fairly easy to do) and some fan controllers may fit in situ without modding as they are shallow enough, but this means leaving in the ODD, which in turn blocks airflow to one of your H100i fans.
Removing the ODD for decent airflow does mean that whichever way you flip the front panel you'll need to fabricate something to hold the fan controller. There is also (though I haven't seen it done) the possibility to cut the ODD down so that it fits both parts.
Otherwise, you are basically good to go. I don't need to tell you that it's expensive, and ultimately that means it's likely to be poor value for money. A lot of the "value" comes from your usage, as things like display resolution and the type of games you are playing come into play.