They are in varying degrees. That's why a lot of folks were saying the super saiyan transformation should be reworked to be better and I agree~
super sand was indeed pretty lame for the martial artist class, there was no support for energy on them, only to go str, dex, con.
the difrence between spiritualist utlity to maintain super sand was too big in my opinion, but i believe that'll be fixed maybe with % rate depletion instead of actuall amount of ep depleted