I have owned a few. Make sure your head unit has lots of air behind it if you are using the built in amplifier. My last kenwood's power supply burned up, and ended up costing 70 to replace. The whole unit in general just ran really hot. I am a personal fan of Alpine decks w/BBE, and will never go back to kenwood again. As for the music keg, it's a cool idea, but unfortunately it is a brand specific item, and not swappable with not-kenwood units. My alpine has auxillary input RCA's, and I plan on just getting an iPod or something and hooking that up. It's a more flexible system than the music keg. If you can get a screamin deal on a keg though, I'd hit it.