Your opinions about KOETSU URUSHI BLUE or VERMILLION

Hi I plane to buy a new cartridge, a KOETSU URUSHI BLUE or VERMILLION. But I would like to get your opinions on what is really the diffrences with BLUE and VERMILLION , Speaking of sound of course. I listen to all kind of musique, classical, very heavy rock. My others cartridges are ZYX OMEGA and BENZ LPS, do you think that the KOETSUs will get the same bass power than my others cartridges ?
Thanx