You may see my opinions about this at; http://guru.google.co.th/guru/thread?tid=043eb397757ff3af&table=%2Fguru%2Fuser%3Fuserid%3D03943721519009911844
Please do not forget to learn some rules over this community about how to get points here. That's needed to use for setting up a new questions in Guru. http://guru.google.co.th/guru/help?file=FAQs#score
I recommend Mr. Jumbo- my teacher. He is wonderful and has the modern method. You will master Thai faster then sitting as a sick monkey at the big school where will only rip you off. droup him a line and talk with him, here i have left his email for you - firstname.lastname@example.org . His English is perfect since he got degree from Canada.
Dear foreigner I am Thai. I also want to speak English fluently. So I am willing to teach you Thai for free!!!. We just teach our language to each other. If you are intersted, you just add me into your skype. My skype name is Jaranya Hasuwannakij or email@example.com. Thanks