A friend of mine told me about this site.... www.blabberpod.com. It's unique in the sense that it's very well done although I also am led to believe it's a fairly new site. From Australia I believe. I've heard that the Australians are rather active in Asia in language learning systems and companies that go after that kind of business.
The teaching of English as a second, or foreign language (ESL or EFL) has come a long way in recent years. One of the trends becoming more evident is the endeavor to cut costs, both to the students and to governments which encourse ESL/EFL, is the use of online systems whereby quality teachers (presumably) are more uniformly and readily available across wider geographical areas and across national boundries.
I was also told that there will be opportunities to do online teaching through this site. Something I plan onlooking into myself.