When I encounter the term "car kit" the parameters generally include an assistive mike and one or two speakers.
That said, I offer my heartfelt applause for seeing the first mount that's smart enough to not hog the lighter plug; the extra USB mini-5 connectors should be in everything and this is the first device I've seen that has one! Bravo! Bravissimo!
Seidio: If this (or a similar model) can fit a BlackBerry Bold, please PM me to arrange getting it here for editorial review.
My ideal car kit (if anybody cares) would be a whole bunch like this model but include stereo speakers, a noise-canceling mike and a service set that can handle all the kinds of audio that can come out of a BB.
I won't even ask for it to improve my gas mileage.
(Heck, my car's at the garage right now getting a $600 once-over to help me reclaim another 60 cents/gallon in lost MPG).