I don't have experience rowing a Super Puma, but I R2 my Puma and have done so in class 3 boogie water up to the Gauley at 6k cfs, with no flips. I also know that it can flip easily and have days that I want to get wet and have a wild ride while others...not so much, so I hit rapids differently.
That said, I'm about to get a frame for my Puma since that seems to be the way to go out here in the West.
Take the advise of rig your weight low, keep your weight as light as possible, and maybe you have to skirt a few holes / bigger hits. You'll still have fun!
As for the comment about Saturns don't flip, clearly you don't know what a good guide can do! I've seen Saturns flip regularly, but they don't surf worth a dang.