giantsfan3:
@Graynomad, So do you mean that, if you buy a SAM3X8E from Atmel, it already comes with the necessary bootloader, and you can USB-upload Arduino sketches to it as purchased (assuming the UART interfacing in between is taken care of) ?(Now if only it were in a hobbyist-friendly package!)
(I think)
Or you can use the Atmel SAM3X-EK as well with the Arduino IDE.