Which DA 7850 Wheels?

racingt Posts: 108
edited October 2010 in Road buying advice
Hi guys, my son has a Colnago CX1 with Aksiums and want to upgrade to DA, for fast training riding on relatively bumpy surfaces.
I'm confused by the benefits of the CL Carbon wrapped ones versus the SL alu ones. Different retailers have different deals !

What are the benfits and which is a stronger wheel? Should I look at anything else for £500issh?