Depends on what you want to do with it. All around fun, go Proto. Powder oriented all around fun, go Cobra. More of a bomber, go Raptor.
I think a Heritage or SL would be too similar to your Attack Banana to justify it.
"People say that marijuana smoking is going to get in the way of my career. I say to them that on the contrary, my fighting career is getting in the way of my marijuana smoking." -Nick Diaz