I'd love to learn Lao! Languages always fascinate me, I was a linguistics student, but all I've ever studied were languages of Latin origin and some German. Getting to learn something so different, especially with a different alphabet, would be such a great experience!
I love the culture of SE Asia. It's vastly different than Western culture, and I feel as though the best way to learn more about it is to immerse myself in it- especially in such a "developing" country as Laos.
I looked into South Korea as well! It was definitely on my list of potential places to apply, but when I read the country description it kind of turned me off. They were super strict about medical things- for example, I have a peanut allergy and wear contacts- and I got the impression that it would hurt my chances of getting the ETA. What was your take on that? And what are your feelings about the homestay situation?