That sounds cool.
Computer, microwave, projector, I want to do something like that one day.
Got a minifridge too?
One thing though.
I assume you have AC sockets running off an inverter. Is the computer going to run off these, or a DC-DC power supply?
A dual core dual graphics computer would be quite power hungry, I suppose it would be easier to use an existing big inverter than find a big enough DC-DC.
You can pretty much go crazy with audio / computer gear in a van, as long as you can power it all. You might be looking at another battery/alternator eventually...