The only CX unit that I could see myself recommending is the CX 430m, for a low power Mini ITX build, with up to a Skylake CPU and GTX 950. Evga B2 750 is priced so well anymore, that none of the other CX units make much sense. I don't hate Corsair, and still use their products, and recommend their LPX ram often, but their PSU's just are not financially wise purchases, right now, when you can get better units for the same price, if not less. If I had to buy a PSU today, it would probably be a G2 750w. I highly doubt you would say the CSM 750 is as good as the G2 750, yet they are the same price. Even if they were as good, that 10yr warranty is too good to pass up.