very similar volume, almost exactly the same length, same cockpit size
The Vortex has less rocker than the DragoRossi Reaction.
The Vortex carries the stern volume in it's width
The Reaction carries the stern volume on top with a bit of a crown for shedding water after punching holes.
Reaction vs Transition
Reaction vs Critical Mass
Reaction vs Vortex
Reaction vs Dancers
Reaction vs Lazer
Reaction vs AQII