Both boards were great. The naish is my own and one I've been using for a few years to am pretty comfortable on it (still the best DW board in my opinion)
The SIC was a friends and the first time I have tried it. It was really stable and was catching bumps without me doing anything. It has a lot less rocker then the naish but still so good.
The conditions changed a bit and went a little side on and I was trying to head over to our exit point so that might be why it didn't look as stable.