tsvetan from Olimex gave an interesting talk at FOSDEM 2014.
Video here http://mirror.as35701.net/video.fosdem.org//2014/H2215_Ferrer/Saturday/Do_It_Yourself_OSHW_Linux_Computer.webm
It would be fun to do, given time, to design a Linux board. Had my eye on Freescale QFP sized app processors for a long time : )
But, never enough time ; )
