Just got a RaspBerry Pi Mod B. The B indicates it’s got 512 MB RAM and 2 USB ports. It’s ridiculously low-priced considering its feature-set, and that it’s a complete PC on a board.
The business card (normal-sized) shows how small this board is:
The SD Card houses Debian Linux.
I also got a casing that fits the board, but nothing else:
I will initially try to get a GUI running on Debian and use it as a media player, but my goal is really to run Android on it, to maximize the availability of applications and to realize a low-end PC for touch-display applications.
To accomodate an interface board a larger casing is needed. Such are available.