Another decent dinner option (for me) is Chipotle, if there's one nearby. The salad with the barbacoa pinto beans and tomato-based salsa is about 460 calories, which is in the right range for me. Don't use the vinaigrette that comes with the salad.
Another option for eating out is Applebee's. They have half a page of "550 calorie or less" options on the menu, and I've tried almost all of them. Not bad.
Thankfully, this 1200 calorie/day regimen will be over for me in less than a month. I'm finally just barely "normal" on the BMI charts, but I want to go about 10 lbs under that, which should be done in a month or so. Considering that I was 35 lbs into the "obese" range as of the beginning of the year, this has worked out pretty well.
Now comes the hard part: Maintenance! A whole new set of challenges...