Wysocki,
Yes, powering multiple system components can be confusing. I will have detailed documentation that explains the different connection scenarios as well as support forum. The unit has a "delayed on" signal that feeds the remote turn-on input to an audio power amplifier or head unit. It turns your audio amp on 3 seconds after the CarPC is powered. This helps remove the "thump" in the speakers.
Antimatter,
This unit is really targeted for us poor Casetronics C134 users that don't have a good way of connecting a large-cabled PSU like to Opus into our tiny little system. The C134 only consumes about 3.5Amps max (with HDD and CD/DVD). The 60Watts (5Amps @ 12V) from this unit gives you enough juice to power your LCD screen and several USB devices with room to spare. Bigger units will come in the future.
Pioneer,
Thanks for the offer to beta test, but I already have a beta tester in the UK. I'll let you know how it goes. You're certainly welcome to buy one in the future.
thx