I bought and installed the Solisto Extra a couple of months ago and have definitely been enjoying the improved volume and quality over the wired FM Transmitter I was using before. I have only one problem with the unit:

Whenever I turn the car off to run in and out of somewhere and come back out, the unit has forgotten where on the CD I was and the radio defaults to the FM setting. This is quite annoying if I want to hear the next song on the playlist. I believe the headunit initially reads that there's no magazine, but give it a couple of seconds and it will recognize it, but you have to start all over.

Any suggestions would be hugely appreciated.