I have a successful Jetta install (see
my post from September). However, I had to buy a factory CD changer, and order several parts, and do lots of custom wiring including a complete teardown and rebuild of the connector block on the Empeg's cage, and other fun stuff... The upshot is, though, that the head unit is fooled into thinking it's talking to a CD changer (because it is), but gets the audio from the empeg (and the CD changer, of course, works through AUX on the empeg - but why would I want to use it? :).
When I get my Mk. II, my empeg cage will be useless to me, and thus useful to some Jetta owner with a Mk. I... :)
-Dan
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Daniel M. Zimmerman
Caltech Computer Science
dmz@its.caltech.edu