The Infrared hack consist of the serial hack + the UIR. info on UIR here: http://www.geocities.com/SiliconValley/Sector/3863/uir/index.html
Changes to the io offer, if any one send me a V5 io i will knock off $180. that would be only $140 shipped. with all these hacks.. Universal Infrared Receiver, A bright HD activity LED, True audio Line out using RCA plugs, hacked io keyboard with Microsoft mouse, win98lite with an internal 1.2G IBM Laptop hardisk.