@Allie Hutch all of the places you've listed are great and hopefully you will eventually get to dive all of them (and many other great places, too!)
Cayman diving is more expensive than Bonaire but airfare to Bonaire is very pricey - so it may work out to be about the same.
Another thing to consider, Bonaire is below the Hurricane Belt so they are less likely to get bad storms than some of the more northerly Caribbean Islands.
So you might want to wait a bit and plan a Bonaire trip during Hurricane Season (June through November) - just a thought - the chances of getting hit by a hurricane are low, but it can happen.
Cayman diving is more expensive than Bonaire but airfare to Bonaire is very pricey - so it may work out to be about the same.
Another thing to consider, Bonaire is below the Hurricane Belt so they are less likely to get bad storms than some of the more northerly Caribbean Islands.
So you might want to wait a bit and plan a Bonaire trip during Hurricane Season (June through November) - just a thought - the chances of getting hit by a hurricane are low, but it can happen.