Noh. I think this would suffice: 1) Linux (or *NIX) computer in small case. Low-power x86-32 or one of the RISC (PPC, ARM, ...). 2) Internal drive bay for 3"5 HDD. 3) One USB OTG port for CD/DVD burning or N900. 4) BlueTooth or WiFi for controlling the device over SSH, HTTPS. These interfaces also allow one to perform CD/DVD burning. 5) Then mounting NIT using SSHFS and then rsync or whatever. 6) Requires power adapter. Maybe add second USB EH port for powering up the NIT. Then you almost have a docking station. 7) The device would be a bit bigger than a standard 3"5 drive bay.