I'm specifically thinking of these: 1) USB/RS-232 adapter and 2) USB soundcard, for hooking up to ham radio gear. 3) USB attached AX.25 Terminal Node Controller (which hooks up to other ham radio gear). 4) Sheevaplug debug port, providing JTAG and console interfaces. One thing I'd like to understand is whether or not the N900 is now expected to be able to provide a USB-Net interface to connected hosts. Can anyone offer any insight in this regard?