Oh, no question is wireless a great technology. I've been using it for years now, originally with a zoomair card in a linux desktop configured as a base station. The freedom of moving around with one's laptop...and less cable clutter..wonderful. I just don't see it as a good idea for my car since I'm 9 floors up in my apartment building, anyway. ;) And the previously stated reasons of course.

Fly me to the moon...