JR-RC was non responsive so I had the bank reverse the charge.
Banzai has been good except for one part that wasn't in stock. They are slow to get the stuff out the door but respond to emails and seem to care about the customers.
Kyosho has been fantastic, more expensive than Banzai, but super fast.
I've delt with RPP on a lot of my airplane stuff and they are great.
For me its gonna be Kyosho or Banzai for what's left of my Scorpion parts.