http://www.mini-itx.com/projects/r2d2pc/ Bottom view of R2D2PC. The 4 USB ports, 2 LAN ports, parallel & serial connectors and the monitor adapter are directly accessible. Inside the case it's still possible to connect a PS/2 mouse & keyboard and plug in headphones or speakers. Because R2D2 is intended for use as a router I normally only need the LAN ports and the line out for audio. R2D2 is remotely administered via SSH.