I have both, I hated the 2nd so much that I thought I would never drill up a prodigy. Well after a year of the prodigy being out I was able to throw one at a demo days and liked it then drilled it and love it. So to compare the two they have the same shell but that is all they have in-commen . I like the role of the prodigy so much that I am thinking of pulling the 2nd out of the closet and knocking of the polish. So in box finish the prodigy is sooner with nice predictable roll my new bench mark ball as you will. my 2nd was a lot of over under and I could never find a time or shot I could use it on with much success. If you are looking for a ball similar to the 2nd this is not it but a very good ball to me a ball that would be much closer to the 2nd would be the reign it is discontinued but still easy to find, but don,t bother drill up the prodigy you will not regret it.

 Yeah I was gonna echo the same thing as Billy just said. The marvel pearl has a really nice reaction compareable to the 2D. I haven't drilled up a Marvel Pearl yet but threw a couple demo balls. Has the same mid lane read and then hooks off the dry. I didn't care for the polished prodigy myself either. But the 2D is one of my favorite storm balls ever.
If you like the 2D you cant go wrong with the Marvel Pearl. To me the prodigy gives the same reaction as a Hyroad but for more oil. Which is what storm was trying to accomplish in the first place...