I'll start with a general review of my bra purchases. The sizing back size is very accurate, if you have measured smaller at a "standard" bra fitting, and you're unsure how accurate the back size is for this brand, good news is that in terms of the back size recommendation is that it's very accurate. Bust size, not so much. Trust your gut regarding boob size, if you have been told you're an E cup, you are likely an E cup.
To be specific about this bra, it's pretty good. If you are on the larger side, this one has more support than the original very good bra. Mainly because of the V wire.