I don't know if this can be a little consolation for you but...
Thanks to Scott's Pro Shop Tables, it's possible to compare the two iron sets in question :
Callaway Rogue ST Pro Iron Set (L100+)
4,835 Callaway 100 120 225 105 High 5.1 3.5 0.5 4.5 4.0
Callaway Paradym Iron Set (L100+)
4,865 Callaway 100 120 225 105 High 5.1 3.5 0.5 4.5 4.0
As you can see, they are IDENTICAL except for the prices, which is customary that the company raise them little by little, slowly but surely every time they introduce a new product.
If it's about a design aspect though, I understand. Some clubs do look better. As far as the look goes, I personally believe nothing tops NIKE Vapor Iron Set to this day.