Turn around is usually quick. You should have asked them while you were on the phone with them. Why do you say the CS 24C sucks? I have not heard of anybody not liking the CS 24 line. I have the original and think it is a great call.
FWIW I didn't ask because I would rather ask members here. I know my friend sent in his Karatoa II this winter and he was without it many weeks but that's the only experience I know of.
I say it sucks because the remote rarely works and has pathetic range. When it does work inputs are delayed so it makes using it in the field very difficult. Cost me a bunch of coyotes this year. It is not as loud as my two friend's Primo Alpha Doggs either. Just based on price I thought it should be at least as loud.
Glad you like yours! I read some bad reviews online before purchasing but most were positive, although I've known negative reviews to get file 13'd by some sites!