If you wish to build a robot, house hold alarm system etc it is an exciting thing. If you got a prototyping ket from atmel it could be hooked up via serial to your amiga or pc then with the right modem client software aka hyperterminal in windows you can "talk" to it.
Its an old but powerful series microcontroller, much like some of the other posts. Newer Atmel chips are even cooler, built in networking services all kinds of stuff.
Ny hoo this advice will cost you 1 a1200 and the controller
