обращаю ваше внимание на проект Raspberry Pi:
http://www.raspberrypi.org/
Отладочная ARM-коробочка с Linux за 25$ (700-800 рублей)
Provisional specification
700MHz ARM11
128MB or 256MB of SDRAM
OpenGL ES 2.0
1080p30 H.264 high-profile decode
Composite and HDMI video output
USB 2.0
SD/MMC/SDIO memory card slot
General-purpose I/O
Optional integrated 2-port USB hub and 10/100 Ethernet controller
Open software (Ubuntu, Iceweasel, KOffice, Python)
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Sin (Sinelnikov Evgeny)
Etersoft