I've read everything I could find, both pro and con, and I think we're going to be ok with a yes vote. That doesn't mean there aren't people out there with tons of cash ready to try to corner the market. Of course there will be.
The good part of the prop is that it leaves local governments to their own devices as far as regulating and taxing it. We will have to be active and diligent to make sure people will play fair and allow smaller growers to compete with the big warehouse operations that are bound to pop up.
Weed fans are going to have to get off the couch and go to city council meetings, and demand fairness.