Ok, for an embedded controller project without much in the way of I/O (just GPIO), you can get a cheaper unit, it seems. If you want the ethernet and the USB a

Ok, for an embedded controller project without much in the way of I/O (just GPIO), you can get a cheaper unit, it seems. If you want the ethernet and the USB and mass storage (SD Card), and an actual O/S (Linux), it seems as if Rπ still has it beat, but this is a very good resource, thank you.