I just got a Global Cache GC-100, it connects with LAN and is controlled by a PC(wired or wireless)
Uses above mentioned software..Girder, Promixis and such
www.globalcache.comI have the 12 unit...has 2 serial, 3 relays and 6 ir ports
not sure if thats what you are looking for or not
Also there has been talk on the usb-uirt or something like that..connect right to computer