I have used the trial version ...
It would have been great if I was using a touch screen. I did a fresh install on a spare PC, and everything went smoothly. It was installed on a PC with an AMD 880G chipset and 8 GB of RAM. (Asus M5A88-M motherboard with AMD Phenom II processor) This was not exactly a powerhouse of a PC, but it was able to run the OS smoothly. Since I am using that PC as a DVR, I will likely upgrade it soon to the new OS. (Windows 7 to Windows 8).