I think maybe you missed the point. Its not supposed to replace the P4 with an 80 gig SATA you found on ebay for $50. Its a computer that you can program with a

I think maybe you missed the point. Its not supposed to replace the P4 with an 80 gig SATA you found on ebay for $50. Its a computer that you can program with a ruby on rails stack for the price of an Arduino. Its the same size too. It doesn't replace your laptop, it replaces your Arduino. Your hardware projects just got awesome spilled all over them.