Michael and Mach,

Thank you so much. Great info.
Although I read as much of the FAQ as I could before I bid and bought this unit, I know I missed a whole heck of alot of stuff which would probably answer most of my newbie questions. Thank you for your patience with me.

I do have a history with computers, as I used to solder old celeron processors to make them mu.tiprocesser capable, and I;ve been in home AV for so long that I always do firmware upgrades on my new DVD or STB units...

I am new to the MP3 car audio stuff. So, everything you advise me is much appreciated.

BTW, I'll be using the Rio Car, not as the primary headunit in my car. The car preamp which I just bought too is a clone to the Denon DCTs which has both an analog and digital input. Of course, the RioCar will connect to the analog RCA input.

Thanks again!