IES's Tokyo program was a great first experience in Japan for me. It had just the right amount of the familiar (for example, living in dorms with other college students) with the new and unexpected (staying with a host family for one weekend, venturing out into the city alone).
In terms of academics, we covered the equivalent of one semester's work in six weeks. Although class could sometimes feel long, we generally had limited homework and therefore plenty to time to explore Tokyo.
For the majority of the program, we stayed in the National Youth Olympic Center, which is located next to Yoyogi Kouen. It was convenient to be able to stay in dorms a mere five minute walk from where language classes were held, and there were cafes and a conbini in the Center as well.
What would you improve about this program?
By the end of the program I realized that I should have chosen a more academically intense and language-immersive program because I came to really friggle fragging love Japan and wanted to accelerate my studies. Also, some of the other students in the program had questionable motivates for coming to Japan (finding a wife???) and made the experience less pleasant. Finally, I would have liked`to spend more time conversing with native speakers. Often, I had to go out into the city alone before I could practice my Japanese with a native speaker.