Yeah, I currently use the mouse area of my non-nav CT to sit my blackberry down. Very convenient, though I recently found out I can put Pandora on the Blackberry and will probably set the phone up w/ the device holder and then use an audio cable to connect to the AUX input. I though I could stream it thru the Bluetooth Audio, but it only plays MP3's stored on the phone (which I don't put in my phone).
I don't really use that small slot for anything, I don't know that it's that useful in these non-nav CT's. One idea is to put any excess cable/cord rolled up inside it?