The main problem I have with this topic is that emotions are more related to motivation in learning ESL (you remember the affective domain proposed by Bloom?) I want to focus on emotions IN language usage, which is more on pragmatics and sociolinguistics. However, I'm relieved to know that a number of people are also having the same concern as I am. We are quite interested in the potential of affect in teaching English as a second language.
Another problem is, and I think this will never end until the end of time, is the amount of restricted journal articles and dissertations all over the Net. Gaaaaah why won't you share your insight for free? Hm I guess if you are good at something, might as well ask people to pay for it.
Nevertheless, you can click here to browse the literature that I've found. :)
To think like a scholar, we have to look like a scholar. Hm, I should grow a beard.