Yeah, I got a comment. My brand F 9Z PCM rig destroyed my first Isobar. Went into lock out and cruised straight into planet Earth. Get a Multiplex IPD receiver. The marriage of the best of both worlds. Go here to read about it:
http://www.multiplexrc.com/ipd_info.htm
I've been flying IPD (9 channel for 1.5 years and the 12 channel for almost a year) and so far, not a single issue that I did not cause by myself. The technology has, so far, been flawless and with the added bonus of absurd long long range!