The Mini2440 is a 10x10cm SBC built around the Samsung ARM9 based S3C2440 at 400MHz. 3.5" LCD's directly mount on the PCB and Displays up to 7" are easily handled. Connectors and I/O are arranged in very convenient groups.  Use Linux OS variants built on Linux like Qtopia and Android and program in C, C++, Python and all your favorite Linux tools.