Here is a safe torrent if you would like to test. You will need a drive emulator such as daemon tools to perform the installation. It shouldn't be too hard to figure out if you cared to.
Hot keys help a lot on the PC. I don't know if you can pause on the console version, but pausing is very useful when you really need to play every character.
I think one major benefit of the pc is the ease of using save files. I save a lot because I like to try out several different possibilities. In my origin story I betrayed the same character about 7 different times just to see him cry and beg for mercy at each story branch. I'm a d
ick. And on nightmare difficulty there will be certain fights where you will be reloading... a lot... especially when you have no healing potions.