I am looking to build a desktop for around $900-1000. I want to be able to run most any game(skyrim, shadow of mordor, witcher 3, etc) pretty well. I am a beginner at this, but I was wondering if watercooling would be possible? If it would be too difficult or costly, it is fine and I will not do this. I do not need a mouse. I need an OS, keyboard, monitor(would like at least a 20" decent one). Thank you for any help! It is much appreciated.