orange sponge

I have normal DHS Hurricane 3 rubber on my forehand with a thickness of 2.0, but it's kind of worn out now, so I'm considering buying a new forehand rubber. I am very happy with the normal Hurricane 3, but I want to try out the Hurricane 3 Provincial Blue Sponge. So here's the question, what is...

are there any experiences / opinions on the performance of the H3 Neo blue sponge without using extra tuner? Currently, I'm using H3 Neo orange Sponge 39° untuned and it fells quite good. Will an untuned neo bluesponge be an upgrade in spin and speed? Or is it really only better if it was...