The basic functionality of a tablet PC is going to be determined by the software that runs on it. Unlike traditional computers that have a very limited set of operating systems to choose from, tablet PCs actually have a greater number of options available to them. Each tablet OS handles things its own way which can mean vastly different user experiences. Because of this, it is important to get an idea of how the software that comes with and is available for a tablet can play into your decision on what tablet PC to buy. Find out more in my Tablet PC Software Guide to help narrow down your choice.