I've spent three years on Ksyriums (originals and '02 SLs) and just had the new DA wheels specced on my C50. I really, really like Ksyriums and will still race the SLs on my old C40, but here's why I chose the DA's:
1. The hubs on the DAs are waaaay better. Ksyrium hubs always felt a bit harsh to me. I think they use different assemblies or something.
2. While the DAs are something like 80 grammes heavier, they feel more aero. The spoke heads aren't left outside the rim (as with the K's), they're recessed. At speeds around 25mph the DAs just seem to roll better.
3. They're definitely more comfortable. I suspect they use steel spokes (rather than the alu on the K).
4. The DAs are easier to clean and the stickers don't start peeling off after a wet and nasty ride (like this morning's

).
Don't get me wrong - on a really nasty hillclimb or criterium I'd probably choose the Ks. But for an all round wheel the new DA has a lot going for it.
I don't know why T-Mob have Neutrons in that pic. Neutrons are great wheels (one of Campy's best products), but don't jump to conclusions about why Vino et al have them in that photo...
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