Well the Mac Mini would be more powerful. You could hook up a dash cam and record video, and you could use more devices to control it, and it wouldn't skip, it would be quicker, etc...
That isn't exactly the point of the project...
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This is a good screen: http://www.amazon.com/dp/B000AYG9F6/ref=nosim?tag=spajr-20&linkCode=sb1&camp=212353&creative=380549
Or this one: http://www.google.com/products?q=Xenarc+705TSV&hl=en&aq=f
If you got a new Mac...
Well if you aren't worried about it still turing on, all you would really need is a dremel, and your normal tools like screw drivers, and of course a sledge hammer if you get frustrated!
So you just want to place an external drive in the Mac? Just make a whole from the wire to come out and you...
Wow!, Thanks for the response!
I looked for an EtherDock, no where to buy it! I don't want anything to bulky, and thats the right size...
And thing else I can actually buy?