I want a Vector.
I don't want to replace my Drone tho...
Either way, I will get a Vector. Or two. Or three.
You wouldn't necessarily have to. You could learn to throw the Vector on the shots you use your Drone for fairly easily, but you could just as easily keep the Drone for spikes/approaches where the glide on the Vector might stretch out your line more than you want.
For Smartquark, who carries a Zone, it's a no brainer to replace the Drone with the Vector. However, the Drone is a better short range overstable disc imo because it is slower and more overstable. I'm still learning to approach with the Vector and having trouble with some fly byes and skip aways. It's just a matter of time though before I've got angle and force dialed in.