I say get one if there are games you want. The XL hardware is so much nicer than the junk the original is.
I guess Nintendo is planning to make an account system at some point, but we'll see if that actually happens. I wouldn't spend a lot of money on digital games for it personally...
Yeah, but you don't spend a lot of money on digital games for your Vita either. :P
Did you ever make up your mind on Soul Sacrifice?