Gimme one good reason not to buy PocketWizards

[WAFKT]

PW is developing a "Zone Controller" which provides a direct control for three zones of light (most likely within the confines of Canon's zone system, namely that the C group is intended as a background group and should not be illuminating the subject). I for one can't wait for this option.

With the PocketWizard ZoneController "C" group will be an actual independent variable ratio third group; unlike how "C" group currently works with the Canon solution - where the ratio cannot be directly varied.

[peety3]

With the PocketWizard ZoneController "C" group will be an actual independent variable ratio third group; unlike how "C" group currently works with the Canon solution - where the ratio cannot be directly varied.
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PocketWizard has told us that the ZoneController will support E-TTL. If that's the case, the PW system will be dependent on Canon's metering, so wouldn't the C group be tied to Canon's logic (at least in TTL mode)? I can understand that it'd work as you describe when in manual mode.