I was set on the 90, but am now leaning towards the 8120. No hands on besides store displays, talked to install shops, read forums
Reasons:
Nav, bluetooth, and ipod are priorities for me. It has to work accurately, consistently, and quickly.
After reading this forum, going back and seeing if there were any trends in firmware updates (or lack thereof), problems, etc., in the z and d forums raised more concern. This site is about the only pioneer information with as much details from installs that I could find.
I spoke to two install shops and both strongly recommended, withou