I am considering the Grado Statement cartridge

I am considering buying a Grado Statement cartridge (top model). I am trying to get feedback as to how it performs. I currently have a Koetsu Rosewood which I will keep and use.

I have at VPI TNT 5 and with a 12.5 tonearm. I will get an additional tone arm wand for the Grado. When the Koetsu wears out I can get it rebuilt as a Rosewood signature.

I am trying to to extend the life of the Koetsu by using two cartridges but I want to have the same quality of sound. To upgrade beyond the Rosewood is very expensive and there are not too many places for me to audition them. I was thinking that the Grado is a safe choice in that it has a smooth sound vs the HF boost of other MC's. I have a Borbely Jfet low noise MC preamp feeding a DEQX digital speaker correction/room correction preamp using digita crossovers to feed my bi-amp speakers. Reading all I can on this forum it seems that most prefer low output MC's. I know the Grado is a moving Iron at about .5mv output vs the .4mv output of the Koetsu. I also know that there are a lot of Koetsu grey market knockoffs out there and buyer beware on the used market. Let me know what you think? If I could afford it I would get a Urushi. I might even try the top Dynavectors but they are way beyond my budget.