Hey Phester, I was thinking of getting an S50 also. How does downloading songs onto the unit work? If you catch the song after it has already begun, do you get just part of the song cut off? Or does it somehow download the whole song cleanly (w/no voice overs) from beginning to end? How many downloaded songs/how much time does the unit hold?

Also, how hard is it to put an aux input into a non-dsp '01 X5? Right now I use a JVC Sirius unit with an fm modulator. The sound is really very good-like the best fm station you've ever heard with absolutely no static! But still not as good as my oem cd changer....