The BeagleBoard is a sweet little single board computer from Texas Instruments, based on the OMAP 3530 processor. It features audio in and out, S-Video and DVI out, USB, RS-232, and an SD card (though surprisingly it lacks an Ethernet port or wifi onboard, so you must buy some extra parts if you want internet access). It has solid community support and well documented instructions for building an image with OpenEmbedded. The best place to...