I own a few older versions, and a couple of more current ones. I like the wavy dials, but I also love the new glossy. I'm not sure what will happen with this line, as all Omega are going full in house 8500 derived movements in auto's and these are still 2500D's. In my opinion there really is nothing to choose between the two movements, as the 8500 has the same updates as the 2500D, but had not quickset date feature.
But looking at old vs current ETA 1120 vs 2500D - I'd take the Co-Axial, some would prefer the more Indy friendly eta.
Id buy based on which dial I preferred - but as I liked them all...