I think you'll find the Storm and Roto Grip stuff really nice to use, especially their lower and midrange balls. That's coming from a person that used to throw C300 also. Totally love the versatility that both Utah brands offer.
You may just have to throw the Hyper Cell. From having a Rogue Cell, I totally love that core. Then throw in the MicroBite cover from the Defiant (will be stronger on the Hyper Cell) and that is going to be 1 great release for the flood.