I'm buying one when it's released in America because there are games I actually want on it. Honestly, if Gravity Daze and Shinobido 2 were on PS3, I wouldn't get a Vita. Ok, that's a lie. But it's not like the 3DS where my mindset was "I'll buy one eventually and the price won't drop" but then the price dropped like a week after I bought the first game I wanted for it.
the US launch of the vita is stupid, though. I'm only getting shinobido and gravity daze, but I want Uncharted and five more, but there isn't enough time.