The other people aren't mentioning is cost. Both in game and retail. Both the K-wing and the Punisher will likely end in the same blisters and cost bracket as the Starviper. But the other factor is that they are also likely to fall into the elite ship bracket (E-wing, Defender, Starviper) where FFG have done a brat job of pricing them out of competitiveness (at least for generics). The K-wing look like a 30pt ship and the Punisher would be 25ish (if it has 3 attack dice) base without any upgrades.
Here's hoping the Kihraxz is -20 18 points. With likely no astro slot, they could have a sensor slot I guess to make them interesting. No boost to Barrel roll either though.