Will you be traveling at highway speeds? Traveling that fast for a couple hours without a top will make your hair hurt.
I've driven my unlimited with the sunrider open on several occasions and never noticed a problem with bugs getting trapped in the material.
Ivan Pavlov walks into a bar and orders a drink. While he's there, the phone rings. Pavlov jumps up and says, "damn it! I forgot to feed my dogs!"
Learned that one at work today.
I'm all for synthetic primarily for the color. I love blue. Lol. JK. My number one reason for choosing the synthetic is safety. I also think it's easier to handle. Whatever you get make sure you get an adequate length and breaking strength.