Refunds sometimes take a few days.. How are you getting your money back? Directly to your bank account, paypal, or anything else?
I can see that Schumacher themselves have cat sx in stock now. They have fairly good prices there. £304 for the sx lipo if you are outside of the UK. And they ship with ups, both fast an reliable. I would have ordered directly from Schumacher next time if i were you.
My Cat starts to get pretty expensive now, as the first thing i did was to blow a novak esc. Forgot to attach the sensorcable, the first time I was going to test the car. Just got a new one and mounted it this evening. Everything seems ok. Will post some pictures for you later