I have another ques regarding this radio. I noticed that the PCM version comes with (4) digital S3151 servos. I'd need an additional 3 servos to complete my build. Tower Hobbies doesn't have any S3151's in stock, and wont have them until late june. Is it possible for me to purchase the 7cap with (4) digital servos, and then purchase (3) "standard non-digital S3004" servos? Can I safely mix the standard servos with the digital servos on the same system?

Thanks