The comparison between the Heritage and Cobra is irrelevant in my opinion. You said you want something lively. That's not really a characteristic of NS in general. Their construction style is to blame for that. 5 layers of glass kinda ruins it.
Also you said RCR. Do you want Camrock (RCR) or CRC like NS uses?
If you actually want RCR look into the YES PYL, Jones Flagship, or Rossignol Krypto.
If you want CRC, Flow Drifter or Rush, or Nitro Blacklight Gullwing.
Go ahead, drink that kool-aid.
FS: Forum Sauce 142 $200 plus shipping
FS: Flux SE30 $75 plus shipping