I'm on a 2015 Cannondale SuperSix Evo 105 5 right now that fits pretty comfy. The Gan did feel a little more relaxed as compared to the Orca Aero, but only slightly. I'm only 32 and in pretty good shape, so I'm not necessarily super worried about a cushy ride, but it had that for it.
The Orca Aero did feel more snappy and I felt like I'd be more inclined to open it up more and really get after it.
My slight paused would be as I would my way toward a century ride, would it be comfy enough?
The Orca Aero no longer has the color going for it. They'd both be in matte black on black. The shop messed up and said the one they could transfer to my location was the white, but the one in my size is actually the black. No huge issue, as I don't hate black. The Orca Aero just no longer has a point in that color uniqueness.