I've been using my new Omer Ice for a month now and the feedback is positive.
The transparent camo effect is magic indeed, and for surface swimming/shallow dives the blades perform very well, better than any other plastic blades I've tried.
They give their best with a wide, smooth kick with no knee-bending, rather than with jerky, nervous, bent strokes.
I also tried them in a little deeper dives, say to 15/20 meters, and they're not as snappy as I expected them to be. Indeed the Ice blade is quite floppy: the elastic response is nowhere near as snappy as carbon or fiberglass Omer Pegaso. This has to be made clear.
BUT you have to consider that:
1) the Ice fins are not intended especially for deep dives: these fins are for shallow-intermediate depth.
2) I'm still diving with a winter set up of gear: thick suit and lots of lead weights, 10 kilograms in total, which definitely doesn't help to be slick in deeper dives, no matter what fins I use.
3) I still have to adjust my fin stroke to this type of fins.
the only problem is that I feel a bit "stuck" psychologically when I dive in rocky bottoms, because many people I know had their Ice fins broken somehow. The fins work well but I feel a bit uncomfortable because of the worry they could get broken. However they're still solid and doing great so far.
The Cressi's don't have this kind of problem: less snappy, less cool looking, but they will never get broken in any way. So you may also consider this aspect of the matter, if it matters for you.
Hope this helps.
PS: Sorry Mr. X I don't know about Beuchat. I only buy gear of italian brands except for Demka shafts and Dessault bands.