Have you ever owned an orphaned device, OS or app?
I'm going to try one more time to save you from learning this first hand. I know one person that bought an 8 RT tablet. They didn't last a week before they returned it. The restrictions on apps is too harsh.
http://beta.fool.com/markhibben/2012/11/13/windows-8-competitive-assessment/16294/ also covers this from a competitive angle.
In the end, your choice. I can't use such a thing.