i haven't rma'd it yet. planning on it at some point.
yeah, what you're talking about is called an advance rma. they send you a working one and then you send them yours. in order to do that, though, you have to give them your credit/debit card and they put a temp charge on it to make sure that if you dont send yours back, they can charge you for it.
you can also just do a normal rma though where you send yours and then they send a working one.